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A car, starting from rest, accelerates for 5 seconds until its wheels are moving with an angular velocity of 1000 rad/s. What is the angular acceleration of the wheels?A car, starting from rest, accelerates for 5 seconds until its wheels are moving with an angular velocity of 1000 rad/s. What is the angular acceleration of the wheels?
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.75 105 Pa and the pipe radius is 2.60 cm, Find the speed of flow in the lower section
A 2.00-ton automobile is parked at the top of a hill that is 100ft high and inclined 25 degrees with respect to the horizon. find the automobile velocity (ft/s) at the bottom of the hill
A planet orbits a star, in a year of length 2.10 x 107 s, in a nearly circular orbit of radius 1.31 x 1011 m. With respect to the star, evaluate the tangential speed of the planet
The moon is at a mean distance Dm = 3.84 x 10^5km from the earth; the sun is at a mean distance Ds = 1.496 x 10^8km. The radius of the moon is Rm = 1.74x10^3km; the radius of the sun is Rs = 6.96 x10^5km.
Lithium, beryllium, and mercury have work functions of 2.30eV,3.90eV, and 4.50eV respectively. Find the maximum kinetic enery for the photoelectrons in each case
A camera lens usually consists of a combination of two or more lenses to produce a good-quality image. How far to the right of the convex lens is the final image
The energy flow per unit time per unit area (S) of an electromagnetic wave has an average value of 601 mW/ m2
in what direction must storm now sail to reach. The car is uniformly accelerated during the entire time. What net force is exerted on it.
question1a student who weighs 490 n is wearing a backpack that weighs 88 n. the student is standing still on level
A 1200 kg car coasts in neutral down a 2.0° hill. The car attains a terminal speed of 23.0 m/s. How much power must the engine deliver to drive the car on a level road at 23.0 m/s
A 1382-kg car is moving westward with a speed of 21.1 m/s, Find the velocity of the center of mass of the car-truck system
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 8.90 m/s at an angle of 16.0° below the horizontal. Find the height from which the ball was thrown
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