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The drive propeller of a ship starts from rest and accelerates at 2.70 x 10-3 rad/s2 for 3.10 x 103 s. For the next 1.30 x 103 s the propeller rotates at a constant angular speed. Then it decelerates at 2.70 x 10-3 rad/s2 until it slows (without reversing direction) to an angular speed of 4.70 rad/s. Find the total angular displacement of the propeller.
A 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile), What is its average power output in watts and horsepower
hree identical small Styrofoam balls (m = 1.81g) are suspended from a fixed point by three nonconducting threads, What is the common charge q carried by each ball
A swimmer looks upward from the bottom of a 3.0-m-deep swimming pool. How far from the swimmer does the board appear to be
a 26.5 kg boy slides down a steep slide at a water park that is 10.9 m long and angled 75 degrees above the ground. what is the magnitude of the boys acceleration as he travels down the slide
A vented tank of large cross-sectional area has a horizontal pipe .12m in diameter at the bottom. The tank holds a liquid whose density is 1500 kg/m^3 to the height of 4.0 m.
A 7450kg iceberg with density 931 kg/m3 is afloat in seawater with density 1030 kg/m3. Find the volume of water displaced by the iceberg
q1. a 73 trampoline artist jumps vertically upward from the top of a platform with a speed of 4.0. if the trampoline
Three beads are placed along a thin rod. The first bead has a mass m1=28g placed at a distance d1= 0.7 cm from the left of the rod. Calculate the numeric value of location of the center of mass relative to the middle bead in cm
An athlete executing a long jump leaves the ground at a 35° angle and lands 7.30 m away.
When a carpenter shuts off his circular saw, the 10.0 inch diameter blade slows from 4250 rpm to 0.00 in 1.00 s. What is the distance traveled by a point on the rim of the blade during the deceleration
A 120 g ball moving at 0.45m/s in the +x-direction is subject to a 0.15 N force in the -y-direction for 3.0 s. Find the ball's final speed
A 1.1 kg particle-like object moves in a plane with velocity components vx = 20 m/s and vy = 50 m/s, What is its angular momentum relative to the origin at this moment
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