A166-g hockey puck is gliding across the ice at 19.5 m/s. a player whacks it with her stick, sending it moving at 43.1 m/s at 45.0∘ to its initial direction of motion. what is the angle between the initial velocity of the puck and the force exerted on the puck? if stick and puck are in contact for 112 ms, what is the magnitude of the average force that was exerted on the puck?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Which type of basaltic lava flow has a fairly smooth

Engineers find a new metal that is stronger than steel but much lighter. this material is also significantly cheaper than what is currently used for most aircraft, available in large quantities, and easy to manufacture. the engineers are excited because this new material will lower the costs of buying and operating airplanes for companies. what is probably the best step for the engineers to make next?