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Consider the following situation. A block of mass 20 kg is initially at rest on an inclined that makes an angle of 37 degrees with the horizontal. The block is now being pulled up the plane by a rope with a tension of 250 N and also the rope makes an angle of 37 degrees to the plane (to the plane, not to the horizontal). If the frictional force experienced by the block, is 8 N, the acceleration of the block is > ? < m/s2. Calculate your answer to one decimal point.
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
The current in a coil changes from 3.1 A to 1.9 A in 0.52 s. what is the self-inductance of the coil
A sealed 63 m3 tank is filled with 5000 moles of ideal oxygen gas (diatomic) at an initial temperature of 270 K. determine The mass density of the oxygen gas
During the collision with the ground, he comes to rest in a time of .101 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. Elucidate from what height did the student f..
water flows horizontally through a garden hose of radius 1.0cm at speed of 1.4 m/s. what is the gauge pressure of the water inside the hose
A two-stage rocket moves in space at a constant velocity of 4900 m/s. What is the velocity of the 2400 kg lower stage after the explosion
A person who weighs 635 N is riding a 98 N mountain bike. Suppose the entire weight of the rider and bike is supported equally by the two tires. If the gauge pressure in each tire is 7.25 105 Pa, what is the area of contact between each tire and the ..
Two plane mirrors stand facing each other, 2.79 m apart, and a woman stands between them. What is the position of the third closest image
A ball rolls off a table and falls 0.81 m to the floor, landing with a speed of 5.5 m/s. What initial speed must the ball have if it is to land with a speed of 6.3 m/s
Young's Double Slit Experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The fifth interference minimum is observed 7.50 mm from the central maximum. Resolve the spacing of the slits.
an inductor of 219 mh with a resistance of 6 o is connected to a power supply with a maximum voltage of 219 v and a
Unpolarized light with an intensity of 275 W/m2 passes by the two polarizers whose transmission axes are at an angle of 30.0° with respect to each other. What is an intensity of the light transmitted through both polarizers.
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