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Q1. A planet of mass 6.00 1025 kg is in a circular orbit of radius 2.00 1011 m around a star. The star exerts a force on the planet of constant magnitude 5.03 1023 N. The speed of the planet is 4.09 104 m/s. All through this half "year", how much work is done on the planet through the gravitational force acting on planet?
Q2. A car accelerates uniformly from rest and reaches a speed of 16 m/s in 10.00 s. If the diameter of a tire is 57.0 cm, find (a) number of revolutions the tire makes throughout this motion, assuming that no slipping occurs. (b) What is the final rotational speed of a tire in revolutions per second?
What is the magnitude and direction of the magnetic field
What is the y component (in Newtons) of F
Assuming the diver has inhaled a negligible amount of air from the tank, what is the temperature of the ocean water.
A skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and the coefficient of friction between the snow and the skis is 0.0750. At the bottom of the hill, the snow is level and the c..
An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm while the potential difference between them is 340 V. How numerous excess electrons does this have here.
Find the distance from the positive plate
Meanwhile, Isaac is piloting his ship in the westward direction, also at 0.89, toward Albert's ship. With what speed does Isaac see Albert's light beam pass his ship.
Determine an angle (in radians) through which the drill rotates during this period.
What is speed of the second train, which travels faster
What is magnitude of the net force on the student
Find out the coefficient of sliding friction
After the ambulance passes, the observed frequency of the siren is 493 Hz. Conclude the ambulance's speeds from these observations.
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