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Laabri

F=ma and speed review

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Last updated about 5 years ago
15 Nsɛmmisa
1
Asemmisa {{asɛmmisaAhyɛnsode}}
1.

what was the ball average speed during the time represented in the graph.

HINT; Divide rise/run Distance/time

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Asemmisa {{asɛmmisaAhyɛnsode}}
2.

what was the ball average speed of the toy car during the two trials to the nearst tenth of m/s

HINT: Add all distances add all times then divide distance /time. then round your number

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3.

which cart will result in the greatest change in speed.

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4.

what was the average speed between the first 40 seconds.

HINT; Divide rise/run Distance/time

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5.

a bus travels 20 km in 30 min. what is average speed of the bus.

HINT: change your units from minutes to hours by dividing time by 60. then calculate speed.

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6.

based on the data in the table ,which object experienced the greatest force.

HINT: use F=ma triangle

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7.

Ablock is pulled 0.5 m to the right in 4.67 s.

what is the ball average speed to the nearst hundredth of m/s.

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8.

.A baseball player hits a baseball with a bat. The mass of the ball is 0.42 kg. The force of the bat hitting the ball is 30 N. What is the acceleration, to the nearest hundredth m/s2, of the baseball?

Hint :Use f=ma triangle to calculate you acceleration .

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9.

A bus travels 30 km in 30 minutes. What is the speed of the bus in km/h?

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10.

An elephant pulls a 700-kg load with an acceleration of 1.5 m/s2. How much force did the elephant apply while pulling the car?

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11.

which of the following match speed,velocity and acceleration?

Hint: Velocity is Speed+direction

Acceleration unit is m/s2

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12.

How much force is required to accelerate a 22 kg mass at 1.3 m/s2?

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13.

what is the ball average speed between 20 and 60 seconds.

Hint : the car stayed at the same distance Rise=0

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14.

what is the difference in speed of ball A and ball B ? round to the nearst tenth place.

HInt: Find speed A then Speed B then subtract the 2 numbers .

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15.

what was the average speed to the nearst tenth of m/s?