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A 5-kilogram ball intially rests at the edge of a 2-meter-long,1.2-meter-high frictionless table, as shown above. A hard plasticcube of mass 0.5 kilogram slides across the table at a speed of 26meters per second and strakes the ball, causing the ball to leavethe table in the direction in which the cube was moving. The figurebelow shows a graph of the force exerted on the ball by the cube asa function of time.a) Determine the horizontal velocity of the ball immediately afterthe collision.b) Determine the following for the cube immediately after thecollision.i. its speedii. its direction of travel (right or left), if movingc) Determine the kinetic energy dissipated in the collision.d) Determine the distance between the two points of impact of theobjects with the floor.
A system consisting entirely of electrons and protons has a net charge of 1.83 10-15 C and a net mass of 4.61 10-23 kg. How many electrons are in this system
how long does it take the engine to lift the crate a vertical distance of 19.8 m? Friction in the system is negligible.
q1. an electric field of 220000 nc points due west at a certain spot. what is the magnitude of the force that acts on a
Find graphically magnitude and direction of resultant force
a spaceship flies past earth at a speed of 0.900. a crew member on board the spaceship measures its length obtaining the value 400m
Some amusement park rides move you back and forth in the horizontal direction. Why is this motion so much more disturbing to your body than cruising at a high speed in a jet airplane.
the motion of a projectile fired at t0. it initial speed is 50 ms and its initial projection angle is 45 degree from
We compared two cases: single phase delivery (call the wasted power P1), and 2-phase delivery (P2), Find the ratio P1/P2 when load 1 = 3.1 A, load 2 = 7.4 A, and each delivery wire has a resistance of 0.25 ohm
A small plane is flying directly west with an airspeed of 34.0 m/s. The plane flies into a region where the wind is blowing at 11.0 m/s at an angle of 33° to the south of west. what is the ground speed of the airplane
a person moves a full sam's club shopping cart mass=80.0 kg from rest to a velocity of 1.30 m/s over a distance of 1.80 meters to secure a spot in check out line. Determine the change in the chart's momentum
A rock is thrown vertically upward from ground level at time t = 0. At t = 1.9 s it passes the top of a tall tower, What is the height of the tower
An air puck of mass m1 = 0.23 kg is tied to a string and allowed to revolve in a circle of radius R = 1.3 m on a frictionless horizontal table.
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