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SMDEP Physics

Solve physics problems on projectile motion, uniform circular motion, centripetal acceleration, and more with concise explanations. Answer questions on acceleration in cm per sec^2, time calculations, and determining minimum push-off speed.

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SMDEP Physics

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  1. SMDEP Physics Projectile Motion continued, Uniform circular motion, Centripetal acceleration

  2. 0 Seconds Remaining 46 of 70 Ch.3, #54give the acceleration in cm per sec2 • 71 • 333 • 212 • 4.7 • Other • Didn’t finish

  3. 0 Seconds Remaining 45 of 70 Ch.3, #56give the acceleration in m per sec2 • 0.034 • 0.34 • 3.4 • 34 • Other • Didn’t finish

  4. 0 Seconds Remaining 45 of 70 Ch.3, #61how much time? • 5.8 sec • 46.2 sec • 78.0 sec • 23.1 sec • Other • Didn’t finish

  5. 0 Seconds Remaining 48 of 70 Ch.3, #83What is the minimum push-off speed? • 1.9 m/s • 2.7 m/s • 4.3 m/s • 19 m/s • Other • Didn’t finish

  6. 43 of 70 0 A navy ship simultaneously fires two shells at enemy ships. The shells follow the trajectories shown in the diagram. Which enemy ship gets hit first? • A (left) • B (right) • Neither – they get hit at the same time. • Not enough information to tell.

  7. 5 1 Second Remaining 1 Consider executing the following motions in a 5-second period: • You make a right turn at constant speed. • You make a U-turn at constant speed. • You make a 360-degree turn at constant speed. For which case is the average acceleration the largest?

  8. 5 1 6 Q. Zookeepers try to capture a monkey that is hanging from a branch by shooting at it with a tranquilizer gun. They aim directly at the monkey, but at the instant they fire the gun, the monkey lets go of the branch. Neglecting air resistance, the bullet • Passes above the monkey • Passes below the monkey • Hits the monkey • Hits the monkey provided the bullet moves fast enough

  9. 10 0 of 70 Consider a cannonball that can be shot at fixed initial speed but at any angle. For what angle is the magnitude of the initial velocity maximum? (Neglect air resistance) • 90 degrees (straight up) • 0 degrees (horizontal) • 45 degrees • None of the above • The angle doesn’t affect the magnitude of the initial velocity

  10. 10 0 of 70 Consider a cannonball that can be shot at fixed initial speed but at any angle. For what angle is the distance traveled maximum? (Neglect air resistance) • 90 degrees (straight up) • 0 degrees (horizontal) • 45 degrees • 30 degrees • None of the above • The angle doesn’t affect the distance traveled

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