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Question1
Though you are sitting on a park bench with your friend, you take hold of his hat and start running in a straight line away from him. Over the first 53.3m, you accelerate at 1.00m/s^2 up to your most running speed. You then continue at you greatest running speed for 5.73s more before your friend catches you. How far from the bench did you find before being caught? How long did it take for your friend to grab you?
Question2
A small steel ball bearing with a mass of 12 g is on a small compressed spring. When intended vertically and suddenly released, spring sends the bearing to a height of 1.33 m. compute the horizontal distance the ball would travel if the similar spring were aimed 39.0 deg from the horizontal.
a uniform rod of mass m and length l can pivot freely about a hinge attached to a wall, compute the angular acceleration of the rod
A silver coin has the mass of 17.75g. If the atomic mass of silver is 107.868u, how many silver atoms are in the coin
Sally travels by car from one city to another. She drives for 30.0 min at 69.0 km/h, 37.0 min at 34 km/h, and 54min at 74.0 km/h and she spends 13.0 min eating lunch and buying gas.
Consider an infinite solenoid of radius R, n turns per unit length, and current I. Calculate the final cinetic moment of each of the cylinders
The calorimeter is constructed of a material that has a specific heat of 0.10 cal/ g. ^{circ}C. When equilibrium is reached, what will be the final temperature.
You are driving along a highway at 25.5 m/s when you hear a siren. You look in the rear-view mirror and see a police car approaching you from behind with a constant speed, How fast was the police car moving
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -1.0799 N when separated by 50 cm, center-to-center. What were the initial charges on the spheres
A photon is emitted when a hydrogen atom undergoes a transitionfrom the n = 5 state to the n = 3 state. Calculate the energy (in electron volts) of the emitted photon
Find the final velocities of (a) the 2.70-kg ball and of (b) the 7.10-kg ball if the collision is elastic. (c) Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
A car of mass 150 kg is moving right with a velocity of 6 m/s and another one of mass 200 kg is moving left with a velocity of 4 m/s. find initial momentum of the system
A physics student has designed a winter game. He has a platform 4.6 meters high with a rope tied to a tree at the same height, how fast are the boys and the sled moving after they "collide"
When a certain spring is stretched by an amount x, it produces a restoring force of F(x) = ax=bx^2, where a and b are constants. How much work is done through an external force in stretching the spring by an amount D from its equilibrium length.
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