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A block of mass m, starting from rest, slides down a frictionless semicircular track from a height A as shown. As it passes the lowest point of the track It collides with a stationary piece of putty also of mass m. The block and putty stick together and slide to9ether up and down the track. What Is the maximum height the block and putty can reach?
Suppose you throw a 0.058-kg ball with a speed of 10.9 m/s and at an angle of 30.9° above the horizontal from a building 10.8 m high. What will be its speed when it hits the ground
Electrons are accelerated through a voltage difference of 145 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons
Pulling down on a rope, you lift a 4.49 kg bucket of water from a well with an acceleration of 1.50 m/s2. What is the tension in the rope.
A figure skater is spinning at a rate of 1.0 rev/s with her armsout stretched. What is her new rate of rotation
A .4 kg ball has a velocity of 25 m/s, what is the kinetic energy of the ball & how much work would be required to stop the ball
callisto and io are two of jupiters satellites. the distance from callisto to the center of jupiter is approximately 5
A ball traveling with an initial momentum of 3.5 kg•m/s bounces off a wall and comes back in the opposite direction with a momentum of -3.5 kg•m/s
The headlights on a certain car are gauged to be1.9 m apart. The diameter of the pupil in a human eye is 2.5 mm. What is the furthest distance at which a human eye could obviously see the headlights as 2 separate lights? Utilize a wavelength of 562 n..
A person notices a mild shock if the current along a path through the thumb and index finger exceeds 80 μA. Find the maximum allowable potential difference without shock across the thumb and index finger for a dry-skin resistance of 4 x 10^5 Ω.
An unknown substance has a mass of 0.125 kg and an initial temperature of 80.0°C. calculate the specific heat of the unknown substance
In a certain region, the earth's magnetic field has a magnitude of5.4 x 10-5 T and it is directed north at an angle580 below the horizontal. An electrically charged bulletis fired north and 110 above the horizontal with a speedof 670 m/s. The magneti..
if air is 21 percent oxygen by volume and oxygen has a density of 1.31 gl what is the volume of a room that contains
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