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A block is on a rough horizontal surface. A horizontal force of magnitude 3 N is applied to the block. The block does not move. What is the frictional force exerted on the block?
a. depends on the mass of the block.
b. 3 N c.0 N d.3/9.8 N
A rock of mass 44 kg accidentally breaks loose from edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 252 N. What is the magnitude of the acceleration of the rock?
A music store has jazz, classical, country-western and rock music albums on tapes and CDs in the following quantities finding the probability.
The intersection is 15 m wide. Her car's maximum deceleration is -5.20 m/s2, whereas it can accelerate from 44km/h to 70km/h in 7.8 s. overlook lengths of her car and her reaction time.
what is the maximum amount the spring may be stretched and the box remain at rest.
You're doing a double-slit experiment with two different colors. What's the wavelength of that color
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A horse canters away from its trainer in a straight line, moving 150m away in 14 sec. It then turns abruptly and gallops halfway back in 4.5 sec.
Janet has a 40% interest in the S corporation. All expenses that reduce DPGR are from wages, and all wages paid relate to DPGR. Explain how much QPAI and wages are allocated to Janet?
If the football has the mass of .420 kg and the time of contact with the ball is .014 s, what is the force exerted by the ball on a kicker's foot.
The basic function of an automobile's carburetor is to atomize the gasoline and mix it with air to promote rapid combustion
To get the top spinning, its string is pulled with a tension of 0.30. Explain how long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
While an elevator of mass 824 kg moves downward, the tension in the supporting cable is a constant 7736 N, What is the elevator's speed at t = 4.10 s
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