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A stationary ball of mass 51 grams is hit with an average force of 86 N. The interaction time Δt is 34 milliseconds. Calculate the final speed of the ball in m/s, to 2 sf.
IP Water flows through a horizontal tube of diameter 3.0cm that is joined to a second horizontal tube of diameter 2.0cm. Find the speed of flow in the first tube in m/s
The drive propeller of a ship starts from rest and accelerates at 2.69 x 10-3 rad/s2 for 2.80 x 103 s. Find the total angular displacement of the propeller
A head-on, elastic collision between two particles with equal initial speed vleaves the more massive particle (massm1) at rest. Find the final speed of the less massive particle
At 28.0 m below the surface of the sea (density = 1 025 kg/m3), what is the volume of the bubble just before it breaks the surface
A +6.4 µC charge is placed at the origin and a -3.3 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed
Lead has a latent heat of fusion of 2.32x10^4 J/kg, a specific heat of 128 J/(kg K), and a melting point of 228°C. determine velocity needed to achieve melting the bullet
Will the true period be larger or smaller than given by the equations for mass oscillating on the end of an idealized massless spring? Explain
A sound source (normal frequency of 1000 Hz) approaches a stationary observer at one-half the speed of sound. The observer hears a frequency of? (Speed of sound is 343m/s)
To a person swimming 0.790m beneath the surface of the water in a swimming pool, what is the actual height of the diving board above the surface of the water
A small circular hole 6.90 mm diameteris cut in the side of a large water tank, 19.0 m below the water level in the tank. The topof the tank is open to the air. Find the speed of efflux
A transformer is made by winding a primary coil of 250 turns around an iron core. A secondary winding of 50 turns is made around the same core. If the primary voltage is 240 V, what is output voltage on the secondary?
Determine the tension T in the string.
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