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A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At adistance of 391 m, the angular speed of the wheels is 307 rad/s. Determine (a) the linear speed of the dragster and(b) the magnitude of the angular acceleration ofits wheels.
61 L of a gas at standard temperature (273K) and pressure (101,481 atm) is compressed to 33L. What is the new pressure of the gas
question joe walks 4 blocks north then turns east and walks 1 block. he finally walks 3 blocks south. how far is joe
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. If the report meant 5.0 years of Earth time, how much time elapsed on the ship
A generator delivers an AC voltage of the form ?v = (90 V) sin (95?t) to a capacitor. The maximum current in the circuit is 1.50 A. Find the following. (a) rms voltage of the generator V (b) frequency of the generator Hz (c) rms current A (d) reactan..
A block of mass m = 2.00 kg is dropped from height h = 90 cm onto the spring of spring constant k = 1960 N/m. Find out the maximum distance the spring is compressed.
A loudspeaker of mass 19.0 is suspended a distance of = 2.00 below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 3.30. Illustrate what is the tension in each of the cables?
Find the final velocity of the two balls if the ball with velocity v2i = ?21.4 cm/s has a mass equal to half that of the ball with initial velocity v1i = +25.8 cm/s
The coefficients of friction between a block of mass 0.5 kg and a surface are ?s = 0.75, What is the magnitude of the frictional force (in newtons) on the block if the block is at rest
a 0.2kg steel ball is dropped straight down onto a hard horizontal floor and bounces straight up. the balls speed just
What is the kinetic energy of a 0.5-kg object moving at a constant speed of 2 m/s?
an electric field varies in space according to this equation ex a x e-bx where a 1.353 ncm-1 and b 0.847 m-1.a for
A 2590-kg spacecraft is in a circular orbit 2720 km above the surface of Mars. How much work must the spacecraft engines perform to move the spacecraft to a circular orbit that is 4480 km above the surface
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