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A girl with mass m1 and a sled with mass m2 are on the frictionless ice of a frozen lake, a distance d apart but connected by a rope of negligible mass. The girl exerts a horizontal force with magnitude F on the rope. What are the acceleration magnitudes of
(a) the sled and
(b) the girl?
(c) How far from the girl's initial position do they meet? State your answers in terms of the given variables.
Two turning forks oscillating coherently and in phase at 1200Hz are separated by 0.35m, Calculate the angles of minimum intensity
A container with a pressure of 3 atmospheres and a temperature of 200c contains 36 gram of nitrogen. what is the mean distance between molecules, assuming that the container is a cube
A 0.280 kg ball is dropped from rest at a point 1.35m above the floor. The ball rebounds straight upward to a height of 0.780 m. What are the magnitude and direction of impulse of the net force applied to the ball during the collision with the flo..
A plane normally takes 10 hours to travel 5, 500 miles. One day significant headwinds slow the plane down, how long will the entire trip take
Two objects with masses of 2.10 kg and 6.80 kg are connected by a light string that passes over a frictionless pulley. (a) Determine the tension in the string.
the maxium compresional stress that a bone can with stand is 1.6 * 10^8 N/m^2 before it breaks.What is the maxium compresional force that can be applied to the femur bone
A beanbag is thrown horizontally from a dorm room window a height h above the ground. find the direction of the beanbag's velocity
On a hot summer day, a young girl swings on a rope above the local swimming hole. how high above the water was she when she let go of the rope
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
If the cross-sectional area of the stream decreases by factor of 10× while passing through the dam, can you catch and save the weasel before it moves past the dam (X), down the waterfall?
A 69.20-kg free runner jumps off a wall at a velocity of 6.95 m/s at an altitude of 2.37 m above the ground. What is the free runner's kinetic energy when he jumps off the wall
A 60-kg student traveling in a car with a constant velocity has a kinetic energy of 1.2 X 104 J. What is the speedometer reading of the car
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