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A mass (10 kg) rests on a surface (ustatic=0.6) connected by a cord to a hanging mass of 2 kg. The connecting cord is mass-less and stretch-free. They pulley is mass-less and frictionless. What is the acceleration of the heavier mass? Please include step by step solution with answer. (answer might be 0 kg m/s^2)
0.023mol of a diatomic gas, with initial temperature 25?C, How much heat is added during this process
A 4.20 kg model rocket is launched, expelling 57.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity of the rocket after fuel has burned.
The four tires of an automobile are inflated to a gauge pressure of 2.10E+5 Pa. Each tire has an area of 0.0267 m2 in contact with the ground. Find out the weight of the automobile.
At what rate does the Sun radiate energy, given that it is essentially a spherical blackbody with 6.96x10^8m, Use appropriate astronomical data to find the solar radiation per unit area at Earth's orbit
A ray of light strikes a plane mirror perpendicular to the mirror. What is the angle of reflection
A 15 g rifle bullet traveling 250 m/s buries itself in a 3.0 kg pendulum hanging on a 2.9 m long string, which makes the pendulum swing upward in an arc. Clarify the horizontal component of the pendulum's displacement.
An alpha particle (m = 6.7 ´ 10-27 kg, q = +3.2 ´ 10-19 C) has a speed of 20 km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out an electric potential difference V..
An object is lifted vertically 2m and held there. If the object weighs 30N, how much work was done in lifting it. Describe it briefly.
A flat copper sheet has a hole with area 0.250m2at room temperature (25?C). what's the hole's new area
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 9 A, and that of the vacuum cleaner is 5.5 A. Determine the power consumed by the vacuum cleaner.
Two small nonconducting spheres have a total charge of 89.0?C , Q1
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 13.0 m/s at an angle 52.0 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the gr..
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