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Suppose that each vehicle is initially moving at 9.60 m/s and that they undergo a perfectly inelastic head-on collision. Each driver has mass 80.0 kg. Including the masses of the drivers, the total masses of the vehicles are 800 kg for the car and 4000 kg for the truck. If the collision time is 0.140 s, what force does the seat belt exert on each driver?
Waves from a radio station have a wavelength of 300m. They travel by two paths to a home receiver 20.0km from thetransmitter. What is the minimum distance from the mountain to the receiver
A sledge loaded with bricks has a total mass of 18.9 kg and is pulled at constant speed by a rope inclined at 20.1° above the horizontal. The sledge moves a distance of 19.4 m on a horizontal surface. The coefficient of kinetic friction between th..
A simple pendulum has a length of 0.70 m and a mass of 0.75 kg. Calculate the quantum number for the pendulum
A certain dam is holding back fresh water 203 m deep. What is the water pressure at the base of the dam
What is the tangential acceleration of a bug on the rim of a 13.0-in.-diameter disk if the disk accelerates uniformly from rest to the angular speed of 76.0 rev/min in 3.50 s.
Two kids sit on a 3.0 meter long seesaw. Kid 1 is 50.0kg and kid 2 is 40.0kg. how far from the pivot on the right side should kid 1 sit to balance the seesaw
Two 2.5cm -diameter disks spaced 2.0 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.1×105 V/m. How much charge is on each disk?
A 690 g wood block is at rest on a frictionless table, when a 27 g bullet is fired into it. what was the original speed of the bullet
The combination of an applied force and a friction force produces a constant total torque of 35.2 N · m on a wheel rotating about a fixed axis. The applied force acts for 6.10 s. During this time, the angular speed of the wheel increases from 0 to..
A conducting sphere of radius 23.0 cm has an unknown positivecharge distributed uniformly over its surface. The strength of theelectric field at a point 0.480 m from the centerof the sphere is 12.0 N/C. What is the charge?
You are at a rock concert, and the sound intensity reaches levels as high as 100 dB. Calculate the amplitude of this oscillating force
What is the advantage of the new crumple zone design in new car's today when they are in a car crash, explain answer from a physics standpoint?
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