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Q. A Mercedes-Benz 300SL (m = 1800 kg) is parked on a road that rises 20° above the horizontal.
What is the magnitude of the normal force?
Q. A positively charged ball hanging from a non conducting string is brought near a non conducting object.Based on the behavior of the ball-string combination,the ball is seen to be attracted to the object.From this experiment,it is not possible to determine whether the object is negatively charged or neutral.Why not? What additional experiment could help you decide between these two possibilities?
A 100 g ball on a 60 cm long string is swung in a vertical circle whose center is 200 cm above the floor. The string suddenly breaks while it is parallel to the ground and the ball is moving upward. The ball reaches a height 600 cm above the floor..
What is an acceleration of the particle at the instant
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 60.0 degrees above the horizontal. The rocket is fired toward the ground 11.0-m high wall, which is located 27.0 m away. By how much does the rocket clear the top of the wa..
The bullet becomes embedded in the block. if the coefficient of kinetic friction between the block and surface is .65 what was the speed of the bullet at once before impact.
An object is held up by two ropes. rope 1 makes an angle of 65 degrees above horizontal and the tension in it is T1 = 26N. rope 2 makes an angle of 32 degrees above horizontal and the object is in equilibrium. what is the tension in rope 2 (T2) an..
A helicopter is ascending vertically with a speed of 5.30{rm m/s}. At a height of 120 {rm m} above the Earth, package is dropped from a window.
A 3 meter long 200kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction.
Conclude the magnitude and directional angle
What is direction of the resultant velocity
What is the current in the circuit when all six lamps and the heater are turned on? If the circuit has a fuse which will melt if the current exceeds 12 A, will fuse melt.
What is the block's distance from equilibrium as the speed are 36 cm/s? What is block's position at t=1.0 s.
A high-voltage transmission line with the resistance of 0.30 /km carries a current of 950 A. The line is at a potential of 710 kV at the power station and carries the current to a city located 161 km from the station.
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