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Laabri

U7 Quiz 1

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Last updated 5 months ago
16 Nsɛmmisa
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1.

What does the symbol p represent in physics?

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2.

What does the symbol J represent in physics?

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3.

Impulse-Momentum Theorem states that-

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4.

Find the velocity of a 4000kg truck with 5,000kgm/s of momentum?

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5.

A 0.43kg hockey puck is hit at 27m/s to a stationary 76kg goalie. The goalie blocks the puck and is pushed into the goal slightly. What is the velocity of the puck and the goalie after he catches the puck?

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6.

Seat belts will ____ the time of impact causing the force exerted on the passenger to __?

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7.

Find the magnitude of the impulse on a 2,200kg missile when it reaches 340m/s (speed of sound).

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8.

Gwen Stacy, 46kg, is falling down at 16 m/s before Spiderman catches her. It takes 0.07 seconds for Spiderman to stop her. What is the force that was exerted on her to attempt to save her life?

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9.

A llama runs and jumps onto a stationary wagon and both llama and wagon roll away together. This is-

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10.

Two ice skaters are standing together in the middle of a frozen pond. They push off of each other to reach the edge of the pond. This is-

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11.

Which of the following has the least momentum?

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12.

A lab is conducted with two carts of unknown masses. The carts initially start at rest and move apart so both carts travel in opposite directions. Cart A’s velocity is found to be 12 m/s to the left, while Cart B’s velocity is found to be 9 m/s to the right. What conclusions can be drawn from the experiment?

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13.

In order for Baymax (84 kg) to save Hiro, he sends his powered fistbump forward while he travels backward. If Hiro and the fistbump (63 kg combined mass) move forward at 13 m/s, how fast is Baymax moving backward?

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14.

During an explosion, Cart A is 4kg, while Cart B is 1 kg. Select all that are true.

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15.

What can be said about the system total ‘Before’ the explosion and the system total ‘After’ the explosion?

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16.

Weekly Check in: How was your week? Any celebrations? What concept did you struggle with? Any favorite songs (with artist name)?