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A 1.23-kg box slides up an incline plane with a speed of 8.6 m/s. If the angle of the plane with respect to the horizontal is 11 degrees and the coefficient of friction is 0.33, how long will it take for the box to come to rest?
how far will the bullet penetrate the block of wood.
A movie camera with a (single) lens of focal length 95 mm takes a picture of a person standing 28 m away. what is the height of the image in millimeters on the film
An x-ray photon with wavelength 15.0 pm is scattered at 84.0 degrees by an electron, find the resulting kinetic energy of the electron
Two sound sources radiating in phase at a frequency of 580Hz interfere such that maxima are heard at angles of 0 and 24 from a line perpendicular to that joining the two sources. Find out the seperation between the two sources. The velocity of sou..
A straight rod consists of a 2cm long piece of aluminum attached to a 3cm long piece of steel. calculate the change in length of the aluminum rod
a person pulls on a 50Kg desk with a 200N force acting at 30 angle above the horizontal. the desk does not budge. draw a force diagram for the desk. Write down the equation that describes the forces which act in the x-direction.
A Carnot engine extracts 950J from a 600K reservoir during each cycle and rejects 480J to a cooler reservoir. It operates at 22 cycles per second. Find the work done during each cycle
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 8.90 m/s?
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon
A jet with mass m = 1.3 × 105 kg jet accelerates down the runway for takeoff at 2.4 m/s2, What is the net vertical force on the airplane as it levels off
A 60.0cm long hollow nichrome tube of inner diameter 2.20mm, What is the current in the tube
Two blocks (M1 = 2.75 kg and M2 = 6.49 kg) are in contact on a frictionless, horizontal tabletop. What is the contact force between the blocks
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