Physics, 01.12.2021 16:00 anonymous176
While sitting on a perfectly slick, frictionless surface, a 60kg person accelerated an 10 kg
medicine ball at 4 m/s ^2 away from himself. What acceleration did the person have?
A 1500kg truck reached 40 m/s in 11s from rest. What force did the engine provide?
A bus with mass 7500kg applies its brakes and a negative force of 20000 N is applied. If the bus was traveling at 30 m/s, what was the stopping distance?
If the time in the question above was .06 s, what velocity would the person reach?
Please help me out!
Answers: 3
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Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.
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An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?
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Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)
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An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
While sitting on a perfectly slick, frictionless surface, a 60kg person accelerated an 10 kg
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