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A motorbike stunt rider wants to jump a 179 m wide canyon. He arranges a ramp on one side thus he will be launched pointed 30o above the horizontal. Find what minimum speed will be needed to just reach the other side?
Starting from rest, you move with a constant acceleration of 2.1 m/s2 for 15.0 s and then move with an acceleration of -2.1 m/s2 for another 15.0 s. How far do you go during the whole trip
Police investigators, examining the scene of an accident involving two cars, which nearly came to a stop before colliding, Estimate the initial speed of that car assuming a level road
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20C, How much energy might you lose in one week
A slide projector needs to create a 98 cm high image of a 2.0 cm tall slide. The screen is 300 from the slide. How far should you place the lens from the slide
q1. a sled is pushed by 12 monkeys with a constant force until it reaches a velocity of 18.9 ms. all 12 monkeys stop
a block of mass 6kg slides on a horizontal plane against a constant resistance of 12.6 n. a light inextensible string
A 52% efficient device uses chemical energy to generate 570J J of electric energy. How much chemical energy is used
A spring of k=12.00 N/m has a block of mass 11- kg attached to it on a frictionless table. If the block is pulled a distance 0.17m to the right and released from rest, how long would it take the block to return to its equilibrium position? Give yo..
You take a set of measurements for the wavelengths and frequencies of standing waves on a string that is under a tension of 1.96 N. What is the linear mass density of the string, including its uncertainty
Stan and Ollie are standing next to a train track. Stan puts his ear to the steel track to hear the train coming. How far away is the train
Now a peg is placed 4/5 of the way down pendulum's path so that when the mass falls to its vertical position it hits and wraps around the peg. As it wraps around the peg and attains its maximum height it ends a distance of 3/5 L below its starting po..
explain Which ball will hit the ground first.
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