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Two masses, m1 = 2.10 kg and m2 = 9.51 kg are on a horizontal frictionless surface and they are connected together with a rope. The rope will snap if the tension in it exceeds 60.0 N. What is the maximum value of the force F which can be applied? What is the acceleration of the whole system, when this maximum force is applied?
A railroad car of mass 2.58 104 kg is moving with a speed of 3.88 m/s. It collides and couples with three other coupled railroad cars, What is the speed of the four cars after the collision
A shell of mass m and speed v explodes into two identical fragments. If the shell was moving horizontally (the positive x direction) with respect to Earth, and one of the fragments is subsequently moving vertically with speed v, find out the velocity..
A car is travelling at a constant speed of 32m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from ramp.
A flat circular coil with 110 turns, a radius of 4.10 × 10-2 m, and a resistance of 0.500 ? is exposed to an external magnetic field that is directed perpendicular to the plane of the coil, Find the induced current in the coil
A 660 kg elevator starts from rest. It moves upward for 3.25 s with constant acceleration until it reaches its cruising speed, What is the average power of the elevator motor
Suppose a molecular motor consumes 3 ATP molecules in every step. If this motor has a step size of 5.8 nm, what is the maximum force the motor could exert
A 4.5m long, non uniform beam weighing 750N, supported by two weighing cables, is at rest in horizonal position as shown . The cable on the right has a tension of T1=650 N.
The K series of the discrete x-ray spectrum of tungsten contains wavelengths of 0.018 5 nm, 0.020 9 nm, Determine the ionization energies of the L, M, and N shells
A 42.00kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.3 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
A loudspeaker of mass 25.0 is suspended the distance of = 2.40 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50. What is the tension in each of cables.
50 g of gasoline are mixed with 38 g of water. What is the average density of the mixture
A diver, below the surface of a lake, notices that no light appears to be coming toward her greater than the angle è, what is the angle è
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