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6 J of work is needed to push an object of mass 2 kg from point A to point B of the frictionless inclined plane as shown in figure. The angle of inclination is 30° and the height of the plane is h.
(a) What is the change in KE? (3 points)
(b) What is the length s of the inclined plane?
the mean lifetime of muons in their rest frame is 2.20us. What is the mean distance traveled before it decays
A string with a mass per length of 2.00 gm/m is stretched with a force of 120 N between two points that are 0.40 m apart. What is the length of the organ pipe
A 34cm -tall, 6.0cm -diameter cylindrical beaker is filled to its brim with water. What is the downward force of the water on the bottom of the beaker
element 118 was reportedly synthesized in 1999 but the claim was later retracted. as a consequence of that experiment
If the ball is released from rest at a height of 0.91 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? suppose the ball is a solid sphere of radius 3.7 and mass 0.14.
The pendulum is now swinging on Pluto. Calculate the new period of oscillation in terms of T, knowing that on Pluto the gravity is 1/16 of gravity on the Earth
Suppose you have a circuit consisting of a resistance R = 54 ?, an inductor with L = 36.4 mH and internal resistance r = 30 ?, What is the frequency of the damped oscillations of this circuit
You place a 4.47-mm-high diamond on the axis of and 11.3 cm from a lens with focal length -6.79 cm. How high is the image
A potential difference is applied between the electrodes in a gas discharge tube. What is the current in the tube
A soccer ball is kicked from the ground with an initial speed of 20.1 m/s at an upward angle of 45.4?. What must be his average speed if he is to meet the ball just before it hits the ground
You have been employed by the local circus to plan their human cannonball performance. For this act, a spring loaded cannon will shoot a human projectile, the Great Flyinski, across the big top to the net below. What do you tell the ringmaster
A solid uniform sphere and a uniform spherical shell, both having the same mass and radius, How fast is each sphere moving when it reaches the bottom of the hill
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