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A bicyclist travels in a circle of radius 26.0 m at a constant speed of 9.00 m/s. The bicycle-rider mass is 84.0 kg.
(a) Calculate the magnitude of the force of friction on the bicycle from the road.
N
(b) Calculate the magnitude of the net force on the bicycle from the road.
A car with mass 1000kg traveling east at 25 (m/s) runs straight into a truck with mass 1500kg traveling west at 10 (m/s). How far do the vehicles slide
Suppose the ball is thrown from the same height as in the above problem at an angle of 36.0°below the horizontal. find the speed and angle of the velocity vector with respect to the horizontal at impact
Two blocks are in contact on a frictionless table. A horizontal force F is applied to m1. If m1 = 1.66 kg, m2 = 3.72 kg, and F = 6.25 N, find the magnitude of the force between the two blocks
Show that the Earth's orbit will be a parabola (and so the Earth will escape to infinity) and If the Sun's mass suddenly doubles, what will be the Earth's orbital period?
rail car that weighs 43 N is accelerated at 8.9 m/s/s for 4.5 seconds. How much work is done on the rail car
A piece of copper wire joins a piece of aluminum wire whose diameter is twice that of the copper. The same current flows in both wires, Compare the drift speeds in each
A car travelling at 120 strikes a tree. The front end of the car compresses and driver comes to rest after travelling 0.900.
An 77 kg quarterback jumps straight up in the air right before throwing a 0.43 kg football horizontally at 15 m/s. Illustrate how fast will he be moving backward just after releasing the ball?
One day the brakes fail just as the cable car leaves the top on its downward journey. What is the runaway car's speed at the bottom of the hill
Comet Halley has an orbital perios of 75 years and when it enters the inner Solar System, it passes within a few AU of the Sun. Determine the average distance of Comet Halley
An electron moves in the positive x-direction a distance of 2.31 m in 2.85·10-8 s, bounces off a moving proton, What is the average speed of the electron
A 70-? electrical appliance and a 110-? electrical appliance are plugged into the outlets of a house. By what factor will the power used change if an additional 140-? electrical device is plugged in?
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