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A 253 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.820, and the log has an acceleration of 0.700 m/s2. Find the tension in the rope.
An object is oscilliating on a spring with a period of 4.60 s . At time t= 0.00 s the object has zero speed and is at x = 8.30 cm . What is the acceleration of the object at t= 2.50 s ?
A meter long 1.0 cm diameter nichrome heater wire is associated to a 12V battery. What is the magnetic field strength 1.0 cm away from the wire.
What should be coefficient of static friction
Sea Launch mission planners are going to launch their Russian launch vehicle from a Lo = 3 degrees into LEO with an inclination of 34 degrees and the longitude of ascending node of 124 degrees. Current LST at the launch site is 1140.
How much time is necessary to catch the car
Find the gage pressure at the center of pipe A in pounds per square inch and in kilopascals.
A curve of radius 50 m is banked for the design speed of 100 km/h. If the coefficient of static friction is 0.60 (wet pavement), at what range of speeds can a car safely create the curve.
The first electron has the initial velocity v0 that makes an angle θ=45° with the lower plate and has a magnitude of 7.53×106 m/s. would this electron strike one of the plates? If so, what is the horizontal distance from the left edge? If not enter t..
The ball sinks to the point where none of it extends out of the water and remains submerged such that the child does not sink. The child has a mass of 36 kg. What is the diameter of the ball? Suppose for this problem that the ball has negligible m..
Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 71 km/h while car B travels at a constant speed of 90 km/h. how faris car A from school 2.2 h later.
A cart of mass M = 1.2 kg can roll without friction on a level track. A light string draped over a light, frictionless pulley connects the cart to a hanger with mass m = 0.5 kg. The cart is released from rest, allowing it to roll, pulled by falling h..
250 kg ball is dropped to the floor from a height of 1.0 m and upon rebounding, reaches a height of .60 m. What is the impulse delivered to the ball by the floor?
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