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1. Two forces act on a 5.0 kg block resting on a frictionless surface as shown in the diagram.
a)Draw the free body diagram of the block.b)Determine the magnitude of the normal force.c)Determine the net horizontal force.d)Determine the magnitude and direction of the horizontal acceleration.
2. A 10 kg box slides down a hill and has constant velocity. The angle of the hill is 10 with respect to the horizontal.
a) Draw the free body diagram of the box.b)Determine the magnitude of the normal force exerted by the hill on the box.c) What is the coefficient of kinetic friction between the surface of the hill and the box?
3. A satellite with mass 5850 kg is in ciucular orbit about the Earth at a distance of 6580 km from the center of the Earth.(The gravitational force G=6.674x10^-1 Nm^2/kg^2 and the mass of the Earth Me=5.974x10^24 kg)
a) Calculate the magnitude of the centripetal force on the satellite.b) Determine the centripetal acceleration.c) Calculate the velocity of the satellite.d) Determine the period T of the satellite.
A proton enters the gap between a pair of metal plates (an electrostatic separator) that produces a uniform, vertical electric field between them. Ignore the effect of gravity on the proton.
The temperature of a quantity of ideal gas is increased by a factor of 5.00 and its volume is decreased with a factor of 1/5.00. By what factor does the pressure change?
You drive your 1,345-kg car at a constant speed of 23 mph a distance of 71 m down a ramp that has a grade of 14 %. Define positive direction in the forward direction
Two waves of light with wavelength 360 nm are combined. If the two waves are initially in phase, what are the first three differences in distance that the second wave could travel
Conisder the Earths magnetic field (53 uT) at a point near the equator where the field is horizontal, Calculate the velocity, V of this proton
A candle is placed 1.270m in front of a converging lens. The image of the object is focused on a screen 1.376m behind the lens. What is the magnification of the image
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.3 N-s and the ball starts with an initial horizontal velocity of 3.8 m/s to the west, what is the mass of the ball
in most projectile motion problems air resistance is neglected. this oversimplification is acceptable in only a few
Find what is the greatest distance at which these headlights can be resolved as separate points of light on a photograph taken with a camera whose aperture has a diameter of 10.5 millimeter
a water rocket, launched from the ground, rises verticallywith acceleration of 30 /s2 for 1 s when it runs out of fuel. Disregarding air resistance, how high will the rocket rise
On a highly polished, essentially frictionless lunch counter, a 0.500 kg submarine sandwich moving 3.00 m/s to the left collides with an 0.250 kg grilled cheese sandwich moving 1.20 m/s to the right. How much mechanical energy dissipates in the col..
You look up towards the moon which is at a distance of 380000 km from you. The pupil of your eye has a diameter of 3mm. What is the minum distance between two objects
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