What was the change in velocity of the scooter
A motor scooter travels east at a speed of 15 m/s. The driver then reverses direction and heads west at 17 m/s. What was the change in velocity of the scooter?
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A merry go round has a moment of inertia of 0.5MR^2. whereby R=1.5m, and the mass of the solid disc is 100kg. when a boy of mass 25kg sits on the rotating disc at a distance of 0.5m from the edge what is the new moment of inertia of the system?
The reader of the manual must know the minimum speed of the drop if it is to make it through the electric field region without hitting either of the plates. Find this minimum speed.
David is driving a steady 23.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.60 m/s^2 at the instant when David passes.
What is good science? How well does the pattern of extinction indicate the process of extinction?
A length of wire is cut into 4 equal pieces. If each piece has a resistance of 0.31, what is the resistance of the original length of wire?
A 150 g ball and a 220 g ball are connected by a 36-{rm cm}-long, massless, rigid rod. The balls rotate about their center of mass at 130 rpm. What is the speed of the 150 g ball?
A 29 g bullet is fired straight upward into an at rest 1.40kg block and the bullet is embedded in the block. The velocity of the bullet is 510 m/s. Show the conservation of mechanical energy and conservation of momentum are inconsistent before an
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