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A 352-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. The propulsion force pushing the motorcycle up the ramp is 3830 N, and air resistance produces a force of 190 N that opposes the motion. Find the magnitude of the motorcycle's acceleration.
A 28.4kg beam is attached to a wall with a hinge and its far end is supported by a cable. what is the horizontal component of the force exerted by the hinge on the beam
A point charge is moved in an electric field. The potential changes from -87 V to +30 V between the initial and final position. The work done by the electric field is 156 J
Draw a free body diagram for the skydiver in the instant after he jumps.(Assume that at this point his velocity is near zero so that air resistance is still negligible.)
A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed of 80.8 m/s at ground level. What is its maximum altitude
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 15 m/s at an angle of 32° above the horizontal. How long does it take for the ball to reach the wall if it is 4.2 m away
A beanbag is thrown horizontally from a dorm room window a height h above the ground. find the direction of the beanbag's velocity
What is the formula for the acceleration a of the cart in terms of the cart's mass M, the hanger's mass m, and the acceleration of gravity g?
Point charges q1=? 4.80nC andq2=+ 4.80nC are separated by distance 3.90mm , forming an electric dipole, Find the magnitude of the electric dipole moment
The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 10-9 m2, The potential on the outer surface of the membrane is +52.2 mV greater than that on the inside surface. How much charge resides on the outer surface
In a Young's double-slit experiment, a set of parallel slits with a separation of 0.102 mm is illuminated by light having a wavelength of 585 nm, What is the difference in path lengths from the two slits to the location of a fifth order bright frin..
A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale.
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.113-mm wide slit on a screen. How far is the screen located from the slit
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