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A projectile of 1.04-kg mass approaches a stationary body of 5.24 kg at 15.0 m/s and, after colliding, rebounds in the reverse direction along the same line with a speed of 5.10 m/s. What is the speed of the 5.24-kg body after the collision?
A 3.65 kg particle is located on the x-axis at xm =?8 m, find the coordinate of the center of mass of this two-particle system
In proton-beam therapy, a high-energy beam of protons is fired at a tumor. What is the total charge of the protons that must be fired at the tumor
A block of weight 36.1 N is hanging from a rope. The tension in the rope is 48.5 N, pulling upward on the block. What is the magnitude and direction of the acceleration of the block?
A child slides across a floor in a pair of rubber-soled shoes. The friction force acting on each foot is 20 N, what is the horizontal distance traveled by the sheared face of the sole
Suppose your waffle iron is rated at 0.85 kW when connected to a 2.10 102 V source. What current does the waffle iron carry
q1. a 65 kg hiker has fallen down a hole. one rescuer attaches a rope to the injured hiker and then a second rescuer
The emissivity of her skin is 0.750 and its surface area is 1.30 m2. How much time would it take for her to emit a net radiant energy from her body that is equal to energy contained in this dessert.
A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to move a 10-kg crate along a horizontal surface at constant velocity
A generator has a square coil consisting of 600 turns. The coil rotates at 66 rad/s in a 0.32 T magnetic field. What is the length of one side of the coil
An ambulance siren is the source of sound emitted with a frequency of 1600 Hz. What is the frequency of the reflected sound wave heard at the ambulance
77 N to push a box with an acceleration of 0.55 m/s2. When she increases the pushing force to 85 N, the box's acceleration changes to 0.72 m/s2. What is the mass of the box
What is the new momentum of the puck. What is the length of pipe.
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