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A 60 kg man is ice skating due north with a velocity of 6.0 m/s when he collides with a 38 kg child. The man and child stay together and have a velocity of 3.0 m/s at an angle of 35 degrees north of east immediately after the collision. What are the magnitude and direction of the child just before the collision?
A snowboarder of mass 73 kg slides down the trail shown in the figure below. The first part of the trail is a ramp that makes an angle of 29° with the horizontal, Find the work done by gravity on the snowboarder
What is the magnitude of the net torque exerted on the branch by the children? Suppose that the axis is located where the branch joins the tree trunk and is perpendicular to the plane formed by the branch and the trunk.
A copper wire has a resistance of 29 ? at 19° C. An aluminum wire has three times the length and two times the radius of the copper wire. What is the resistance of the aluminum wire at 19° C
A 20.0-kg sled is being pulled across a horizontal surface at a constant velocity. Determine the coefficient of kinetic friction
Calculate the peak voltage of a generator that rotates its 205 turn, 0.100 m diameter coil at 3600 rpm in a 0.850 T field
You are arguing over a cell phone while trailing an unmarked police car by 26.0 m; both your car and the police car are traveling at 120 km/h. what is your speed (in km/h) when you hit the police car
question1a 1200-kg automobile travels at a speed of 12 ms.nbsp a what is it the kinetic energy? b what is work that
how much time passes before the brick lands on the ground.
By using integral calculus, find the area of the region bounded by the graphs of y = x^2 and y = 4. (x and y are in meters.) Calculate the rotational inertia of this object when it is spinning around y-axis.
A 1500 kg car traveling at a speed of 20 m/s skids to a halt on wet concrete where kinetic friction= 0.20. How far are the skid marks.
Two point charges q1 = -7.40 nC, and q2 = -14.0 nC are separated by 25.0 cm, What would be the magnitude and direction of the electric force
q1. a uniform upward-pointing electric field e of magnitude 3.5times103 nc has been set up between two horizontal
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