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Q1. A bumper car with mass m1 = 108 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 98 kg is moving to the left with a velocity of v2 = -3.5 m/s. The two cars have an elastic collision.
Suppose the surface is frictionless. What is the final velocity of car 2 in the ground (original) reference frame?
Q2. A 60kg bicyclist rides his 7.8kg bicycle with a speed of 16m/s. How much work must be done by the brakes to bring the bike and rider to a stop?
The coefficient of kinetic friction for wood sliding on wood is 0.20. What is the final speed of the bullet
A shell, fired from a cannon, has a muzzle speed (the speed as it leaves the barrel) of 800 ft/s. The barrel makes an angle of 45o with the horizontal and, for ease; the barrel opening is assumed to be at ground level.
After being accelerated to a speed of 1.84×105, the particle enters a uniform magnetic field of strength 1.00 and travels in a circle of radius 35.0. The results of this experiment allow one to find.
What is the angular velocity in rad/s . What is the least pressure obtained inside the bottle? What will happen when this pressure is reached.
If air drag is negligibly small, how fast is sequoia cone moving while it reaches the ground if it dropped from the top of a 114 tree.
Conclude the electric field at the origin
Assume that a binary star system consists of two stars of equal mass. They are observed to be separated by 310 million kilometres and take 4.0 Earth years to orbit about the point midway between them.
A diver 40 m deep in 10 degree Celcius fresh water exhales a 0.50-cm-diameter bubble. What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celcius? Assume that the air bubble is always in..
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
What travel time is required for the landing
Sketch the shear force and bending moment diagram and Verify that the support reactions are correct.
What is sign and magnitude of charge
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