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Your roommate is working on his bicycle and has the bike upside down. He spins the 52.0 -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.
A) What is the pebbles speed?
B) What is the pebbles acceleration?
A 66.0 kg person throws a 0.0410kg snowball forward with a ground speed of 25.0 m/s. A second person, with a mass of 57kg, catches the snowball.
Bernie B is walking directly toward the center of a vertical mirror M. How close to the mirror will he be when Sarah S is just able to see him The vertical mirror has a width d = 3.0 m.
Heat is added to two identical samples of a monatomic ideal gas. In the first sample the heat is added while the volume of the gas is kept constant, By how much does the temperature of this sample increase
question1a uniform bar of length 46 m and mass 3 kg is attached to a wall with a hinge that exerts a horizontal force
Two small spheres hang in equilibrium at the bottom ends of threads, 40.0 cm long, Find the distance between the centers of the spheres
An object falls because of gravity at a rate of -9.80 m/s2 (- sign is indicative of a downward direction) for 10.00 Seconds. If it starts from rest (vo= 0) and its position starts from do= 0.0, where is it 10.00 Seconds later.
A hockey puck B rests on a smooth surface of ice and is struck by a second puck A , which was originally traveling at = 40.0, What fraction of the original kinetic energy of puck A dissipates during the collision
If the highest acceleration the vehicle's brakes are capable of is -5 m/s2, what is the maximum reaction time of motorist that will allow her or him to keep away from hitting the deer.
A 75 g, 31 cm long rod hangs vertically on a frictionless, horizontal axle passing through its center. A 12 g ball of clay travelling horizontally at 2.1 m/s hits and sticks to a very bottom tip of the rod.
A laser that produces a spot of light that is 1.20 mm in diameter is shone perpendicularly on the center of a thin, what is the power of the laser
A balloon rises at at constant velocity of 3m/s. A rock is released over the side. 4.5 seconds later this rock hits the ground. compute the height of the rock when it is halfway between the balloon and the ground. Assume Earth gravity (-9.81m/s), ..
A constant force is applied to an object, causing the object to accelerate at 11m/s2. What will the acceleration be if the force is halved
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