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A satellite moves around the earth in a circular orbit at a constant speed of 5000m/s. If it's acceleration is 6.8m/s2, find the radius of the orbit.
An ideal gas occupies 0.14 m3 at an absolute pressure of 1.2×105 Pa and temperature 280 K, How many moles of gas are there
Visible light passes through a diffraction grating that has 900 slits per centimeter, What is the difference between these wavelengths
A large truck collides head-on with a small car. The car is severely damaged as a result of the collision. According to Newton's third law, how do the forces acting between the truck and car compare during the collision?
A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 4 m down a q = 25° incline. The sphere has a mass M = 4 kg and a radius R = 0.28 m. Illustrate what is the translationg kinetic energy
Consider a balloon filled with helium gas at room temperature (T = 289 K) and atmospheric pressure. Calculate the average de Broglie wavelength of the helium atoms
A 110 kg mail bag hangs by a vertical rope 4.0 m long. A postal worker then displaces the bag to a position 2.0 m sideways from its original position, always keeping the rope taut. As the bag is moved to this position, how much work is completed by t..
What angle did the hawk make with the horizontal throughout its descent? For how long did the mouse enjoy the free fall.
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1330 Hz. The bird-watcher, however, hears a frequency of 1410 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
Two skydivers are holding on to each other while falling straight down at a common terminal speed of 51.1 m/s. What is the change in kinetic energy of the system
A -6.00 µC charge is moving with a speed of 8.20 104 m/s parallel to a very long, straight wire, Find the magnitude and direction of the force on the charge.
A bicycle racer is traveling at 10 m/s with an acceleration of 0.5 m/s^2. The radius of the bicycle wheel is 33 cm. What is the angular velocity of the bicycle wheels
Consider an object on an incline where friction is present. The angle between the incline and the horizontal is ? and the coefficient of kinetic friction is ?k. Find an expression for the acceleration of this object
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