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Standing at the edge of a cliff 33.5 m high, you drop a ball. Later, you throw a second ball downward with an initial speed of 12.7 m/s.
A) What is the increase in speed of the first ball?
B) What is the increase in speed of the second ball?
An m=8.25 Kg mass is suspended on a string that is pulled upward by the force of F=83.3 N. If the upward velocity of the mass is 3.25 m/s right now, what is the velocity 5.50 s later.
A cart of mass 500g is running with a speed 0.8m/s to the right; What is the magnitude of the total momentum of the carts
A glass sheet 1.40 ?m (micrometer) thick is suspended in air. Calculate the minimum value of the index of refraction of the glass sheet that produces this effect
A potential difference of 13 V is found to produce a current of 0.45 A in a 2.7 m length of wire, Find the resistance and resistivity of the wire
A car is driven 225 km west and then 78 km southwest (45 degrees). What is the displacement of car from the point of origin (magnitude and direction).
Two equal forces act on the two different objects, one of which has a mass ten times as large as the other. Will the more massive object have the larger acceleration, an equal accelearation, or a smaller acceleration.
compute the distance x the spring was compressed.
A straight wire of length l is oriented esast-west and is in a magnetic field B pointing north. what is the current through the rod
Suppose the speed of light in a vacuum were only 25.5 mi/h. Find the length of the bicycle being ridden at a speed of 20.0 mi/h as measured by an observer sitting on the park bench, given that its proper length is 1.59 m.
When a 58 g tennis ball is served it accelerates from rest to a constant speed of 42 m/s the impact with the racket gives the ball a constant acceleration over a distance of 37 cm illustrate what is the magnitude of the net force acting on the ball..
A photon with an initial wavelength of 1.150×10-11 m Compton scatters from an electron which is initially at rest. What is the kinetic energy of the scattered electron
A projectile is thrown from a point 39.2m away from the foot of a building 19.6m high and just reaches the top horizontally. Find the velocity of projection and the angle of throw
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