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A bug is hovering in the air (v=0) when a heavy automobile, moving at 20 m/s, suddenly collides with it. Ig the collision is perfectly elastic then what is the bug's speed after the collision? Include simple before and after diagram.
A wave pulse travels down a slinky. The mass of the slinky is m = 0.9 kg and is initially stretched to a length L = 7.3 m. What is the speed of the wave pulse
An accelerating voltage of 2415 V is applied to an electron gun, What are the magnitude and direction of the deflection on the screen caused by the Earth's gravitational field
You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
on a horizontal, frictionless table, an open-topped 5.30-kg box is attached to an ideal horizontal spring having force constant 360 N/m. Find the period of the resulting motion of the box
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
What is the angle of incidence in air of a light ray whose angle of refraction in glass is half the angle of incidence? Assume the refractive index of glass is 1.50
A small bird's wings can undergo a maximum displacement amplitude of 5.9 cm. what is the oscillation frequency of the wing tips
A saw blade has a mass of 0.5 kg and a radius of 10 cm and is rotating at 300 rpm. What frictional torque acts on the saw blade as it slows to a stop
A sealed cubical container 17.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 21.0°C. Find the force exerted by the gas on one of the walls of the container
A Boeing 747 jet with a wingspan of 60.0 m is flying horizontally at a speed of 324 m/s over Phoenix, What voltage is generated between the wingtips
A 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. When it hits the ground at the base of cliff, the rock has a speed of 29 m/s. suppose that air resistance can be ignored, find out A) initial speed of the ro..
Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.58 m
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