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Mechanics | Relativity
The car in this image is travelling at 120 km/h in a 100 km/h speed zone. The speed camera is positioned in 4 different locations. Match the speed recorded to the correct speed camera positions.
car with boxes at different positions to the right of the car. Box 1 is at 0 degrees, Box 2 is at 30 degrees, Box 3 is at 45 degrees, Box 4 is at 70 degrees. Each is labelled as Position A. Position B, Position C and Position D.
1. 120 km/h
Position A
Position B
Position C
Position D
2. 104 km/h
Position A
Position B
Position C
Position D
3. 41 km/h
Position A
Position B
Position C
Position D
car with boxes at different positions to the right of the car. Box 1 is at 0 degrees, Box 2 is at 30 degrees, Box 3 is at 45 degrees, Box 4 is at 70 degrees. Each is labelled as Position A. Position B, Position C and Position D.
1. 120 km/h
Position A
Position B
Position C
Position D
2. 104 km/h
Position A
Position B
Position C
Position D
3. 41 km/h
Position A
Position B
Position C
Position D
Mechanics | Relativity
As distance from the road increases, a car would be measured as going ....
Faster
Slower
Same speed
Faster
Slower
Same speed
Mechanics | Relativity
The car in this image is travelling at 120 km/h in a 100 km/h speed zone. The speed camera is positioned in 4 different locations. Match the speed recorded to the correct speed camera positions.
car with boxes at different positions to the right of the car. Box 1 is at 0 degrees, Box 2 is at 30 degrees, Box 3 is at 45 degrees, Box 4 is at 70 degrees. Each is labelled as Position A. Position B, Position C and Position D.
car with boxes at different positions to the right of the car. Box 1 is at 0 degrees, Box 2 is at 30 degrees, Box 3 is at 45 degrees, Box 4 is at 70 degrees. Each is labelled as Position A. Position B, Position C and Position D.
Mechanics | Relativity
A spring has a natural length of 20cm. When a load of 50 N is applied, the spring becomes 22cm long in all. a) How great an extension does the 50 N force cause? b) If the spring obeys Hooke’s Law, what extension would you expect if a force of 150 N is applied to it? c) What will be the total length of the spring under that 150 N force?
Mechanics | Relativity
Complete the following statement: The direction of the instantaneous velocity of a particle is
Mechanics | Relativity
It takes 2.60 s for a small ball with a mass of 0.060 kg released from rest from a tall building to reach the ground. Calculate the height from which the ball is released. If that ball had been released from the same height, but this time from the surface of the moon, how long would it have taken for the ball to hit the ground?
Mechanics | Relativity
In the following process, energy is transformed from one type to another. Identify what type of energy is consumed and what type of energy is produced.
An elevator carries goods from the ground floor to the second floor.
_________ energy is consumed, __________ energy is produced.
An elevator carries goods from the ground floor to the second floor.
_________ energy is consumed, __________ energy is produced.
Mechanics | Relativity
an airplane lands and starts down the runway at a northwest velocity of 55.7 m/s. what constant acceleration allows it to come to a stop in 1.24 km? (in m/s^2)
Mechanics | Relativity
an airplane lands and starts down the runway at a northwest velocity of 55.7 m/s. what constant acceleration allows it to come to a stop in 1.24 km?
Mechanics | Relativity
a ball made of a long string of thickness about 2mm the radius of the ball is 10cm esimate the length of the string and possible error inyour calculation.
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#339914 on Dec 2023
#339914 on Dec 2023