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Q1. A block with mass m = 19.0 kg slides down an inclined plane of slope angle 17.8 ° with a constant velocity. It is afterwards projected up the same plane with an initial speed 1.35 m/s. How far up the incline would the block move before coming to rest?
Q2. A 12.0 V storage battery is connected to three resistors, 7.00, 11, and 23, correspondingly. The resistors are joined in series. Compute the equivalent resistance. Reply in ohms
Compute the momentum of the bullet
A fully equipped astronaut has a mass of 140 kg. If the astronaut has a weight of 675 N standing on the surface of a planet, what is the acceleration due to gravity on this planet?
A proton, initially traveling in the +x-direction with a speed of 5.50×10^5m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.02×10^7s
A 17.0-g piece of Styrofoam carries a net charge of -0.75 µC and is suspended in equilibrium above the center of a large, compute the charge per unit area on the plastic sheet
In the meantime, the velocity of airplane Q relative to the air is 250 m/s in the direction of N 20o W. What is the speed of airplane Q relative to the airplane P.
you notice that the image flips when you are 0.500 m from the mirror. Determine the radius of curvature for the mirror
A 60.0-kg woman balances on one heel of a pair of high-heeled shoes. If the heel is circular and has a radius of 1.00 cm, what pressure does she exert on the floor if she stands on one foot
Some birthmarks can be removed by exposure to 585 nm laser light. Pulses are strongly absorbed by hemoglobin in the capillaries in the birthmark, What is the power of the laser pulse
In one dimension, it is obvious that the force obeying Hook's law is conservative. Consider instead a spring that obeys Hook's law and has one end fixed at origin.
What is the resistance of the wire in the blanket? Express your answer to two significant figures and include the appropriate units. How much current does the wire carry
What is mechanical energy
Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens, find the Image distance from concave lens
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