Science

PhysicsQ&A LibraryConstants Part A A golf ball is thrown straight up from the edge of the roof of a building. A second golf ball is dropped from the roof a time of 1.06 s later. You may ignore air resistance If the height of the building is 20.3 m, what must the initial speed be of the first ball if both are to hit the ground at the same time? UF m/s Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Consider the same situation, but now let the initial speed ц of the first ball be given and treat the height of the building as an unknown. What must the height of the building be for both balls to reach the ground at the same time for vo 8.95 m/s. 画画, 四?Start your trial now! First week only $4.99!*arrow_forward*

Question

1 Rating

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: If a pneumatic cylinder has a volume of 14 cubic inches at 1000 PSIG when the temperature is 85°F an...

A: Pneumatic cylinders are mechanical devices which use the power of compressed gas to produce a force ...

Q: If a marathon runner averages 6.3 mi/h, how long does it take him or her to run a 26.22-mi marathon?

A: Given that the average speed of the marathon runner is 6.3mi/h, and the total distance covered in th...

Q: A 2.60-kg hoop 1.80 m in diameter is rolling to the right without slipping on a horizontal floor at ...

A: Case 1 : Viewed by person at rest.Since the loop is rolling without slipping the velocity vector can...

Q: In the figure particles with charges q1 = +6e and q2 = -14e are fixed in place with a separation of ...

A: Given,

Q: When a shower is turned on in a closed bathroom, the splashing of the water on the bare tub can fill...

A: (a)Write the expression for the electric flux .

Q: 24. A car of mass m moving at a speed vi collides and cou- mu ples with the back of a truck of mass ...

A: a)The expression for the final speed from the conservation of momentum,

Q: use FIGURE 1: calculate voltage across resistor 1, 2 and 3

A: Let us consider that I1, I2, and I3 are the currents passing through R1, R2, and R3, respectively. A...

Q: An air conditioner connected to a 120 V rms ac line is equivalent to a 17.6 Ω resistance and a 1.31 ...

A: GivenVoltage applied Vrms = 120 VResistance R = 17.6 ohmInductive resistance XL= 1.31 ohm

Q: At their closest approach, Venus and Earth are 4.20 × 1010 m apart. The mass of Venus is 4.87 × 1024...

A: Force exerted by venus on earth is,

Q: In the figure particle 1 of charge +6e is above a floor by distance d1 = 3.60 mm and particle 2 of c...

A: Its given that:

Q: What magnitude net force is requred to accelerate to a 1200-kg car uniformly from 0 m/s to 27.0 m/s ...

A: The net force required to accelerate a car of mass 1200 kg is calculated using following steps:Given...

Q: 32. Review. A block of mass m2.00 kg and a block of mass m2 -6.00 kg are connected by a massless str...

A: a)The free body diagram is,

Q: In the figure short sections of two very long parallel lines of charge are shown, fixed in place, se...

A: Given:Two long parallel lines of charge separated by a distance, L = 21.0 cm = 0.21 m.For line 1, un...

Q: A 1400-kg car is traveling with a speed of 14.9 m/s. What is the magnitude of the horizontal net for...

A: Acceleration of the car is,

Q: Suppose you design an apparatus in which a uniformly charged disk of radius R is to produce an elect...

A: Given:

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...

A: Given,

Q: The figure shows the circuit of a flashing lamp, like those attached to barrels at highway construct...

A: It is given that the fluorescent lamp is connected in parallel with capacitor. It means that,

Q: One hazard of space travel is debris left by previous missions. There are several thousand masses la...

A: The relation between force and momentum is,

Q: (a) A car speedometer has a 7% uncertainty. What is the range of possible speeds when it reads 120 k...

A: Given,

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...

A: Given,

Q: A rectangular coil of wire (a = 28.0 cm, b = 37.0 cm) containing a single turn is placed in a unifor...

A: The magnetic force exerted on the coil of a wire of right side loop is,

Q: Can you show how to work this?

A: Given:

Q: Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. The f...

A: Solution:The final relative velocity can be calculated using following steps:Given:

Q: What net external force is exerted on a 1350-kg artillery shell fired from a battleship if the shell...

A: To find:The mass of the artillery shell is given as 1350 kg and it accelerates 2.2 x 104 m/s2 . We n...

Q: A scooter has wheels with a diameter of 120 mm. What is the angular speed of the wheels when the sco...

A: The radius of the scooter wheels is,Substituting the value,

Q: In the figure two curved plastic rods, one of charge +q and the other of charge -q, form a circle of...

A: Given,

Q: 3-74 A 6-m-high, 5-m-wide rectangular plate blocks the end of a 5-m-deep freshwater channel, as show...

A: From the given diagram water is touching the plate for 5m height and 5 meters wide i.e., the surfac...

Q: A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standin...

A: Speed of the child is,

Q: Please show me how to work this. Please don't round any figures.

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: I. When first discovered, α, β and γ radioactivity were referred to as α-rays, βrays and γ-rays. Now...

A: Since we are entitled to answer one question per request. We would be answering the first question. ...

Q: Please help

A: Given,

Q: In a particular region there is a uniform current density of 14 A/m2 in the positive z direction. W...

A: Given:

Q: 8. A machine part rotates at an angular speed of 0.060 rad/s; its speed is then increased to 2.2 rad...

A: Given: final angular speed = 2.2 rad/sInitial angular speed = 0.060 rad/sAngular acceleration = 0.7...

Q: Partl L (Vibrating length) 2.49 [m] Mass of string Hanging mass on the string 0.250 [kg] Total Lengt...

A: The various parameters are as follows:L (Vibrating length) = 2.49 [m]Mass of string ...

Q: The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of the...

A: The expression for ratio of these two forces is,

Q: A speed skater goes around a turn that has a radius of 31 m. The skater has speed of 14 m/s and expe...

A: The mass of the skater can be calculated in given steps:Given:

Q: Chapter 22, Problem 053 /1 Your answer is partially correct. Try again. Two large parallel copper pl...

A: The equation for the magnitude of the force acting on a charged particle is given by

Q: The graph shows how the force component Fcosθ along the displacement varies with the magnitude s of ...

A: Work done is equal to the area under the curve. Therefore,

Q: What is the magnitude of the force on 2 meters of wire carrying 0.5 A of current at an angle of 37 d...

A: Force on the wire is,

Q: At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three di...

A: (a) Given that F1=50N and F2=90.Write vector form of each forces.

Q: If q=150mm and f=150mm, what is p equal?

A: Given that the image distance q=150mm, the focal length f=150mm. According to thin lens formula, the...

Q: 44. Rigid rods of negligible mass lying along the y axis con- nect three particles (Fig. P10.44). Th...

A: Given,

Q: Light in vacuum is incident on the surface of a slab of transparent material. In the vacuum the beam...

A: The ray diagram of refraction is given below in which light makes angle with normal.

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...

A: Given,

Q: In the figure a 25 V battery is connected across capacitors of capacitances C1 = C6 = 3.5 μF and C3 ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: 4. (a 5) Power stations are normally far away from the customers. A transformer is often used to inc...

A: (a)The primary reason that power is transmitted at high voltage is to increase efficiency, the lower...

Q: An air conditioner connected to a 120 V rms ac line is equivalent to a 17.6 Ω resistance and a 1.31 ...

A: (a)The equation of the impedance of the circuit is given by

Q: An aerialist on a high platform holds on to a trapeze attached to a support by an 8.0-m cord. (See t...

A: The figure shows the free body diagram of aerialist on a platform holds on to trapeze.

Q: A student drove to the university from her home and noted that the odometer on her car increased by ...

A: (a) The average speed of an object is the total distance traveled by the object divided by the elaps...

Q: a 10.0 kg block on a smooth horizontal surface is acted upon by two forces: a horizontal force of 70...

A: The expression for the acceleration from Newton’s second law,