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Linear and projectile motion Typeit
Target Level
C
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A bat flies at 3.1 m s-1 for 20 minutes. The total distance covered by the bat is km.
An asteroid is caught in the Moon's gravity and falls to the Moon's surface. The asteroid is initially falling with a vertical speed of 26 m s-1 and falls for 7.1 s. Acceleration due to gravity on the Moon is 1.6 m s-2. The asteroid's final speed is m s-1.
A car is initially travelling forwards at 4.5 m s-1. Then, accelerating at a constant rate, the car comes to a stop and drives backwards at 2.1 m s-1 for 12 s. The forwards acceleration of the car is m s-2.
A car, accelerating constantly, travels 8.2 km in 9.0 minutes. The car is initially travelling at 13 m s-1. The final velocity of the car is m s-1.
A bike travels 48 km in 1.5 hours. The bike is initially travelling at 6.6 m s-1. Assuming constant acceleration, the acceleration of the bike is mm s-2.
A ball is thrown upwards from the top of a building at a vertical velocity of 4.6 m s-1. The ball narrowly misses the lip of the building and falls to the base. The building is 60 m tall. When the ball hits the ground, it is travelling at a velocity of m s-1. (Use up as the positive direction.)
A cannon is placed 60 m from a target. The cannon fires its projectiles at a speed of 45 m s-1. To hit the target, the cannon should fire at an angle of ° from horizontal.
(HINT: You might need to use the trigonometric identity sin2θ = 2 sinθcosθ)
An asteroid is caught in the Moon's gravity and falls to the Moon's surface. The asteroid is initially falling with a vertical speed of 26 m s-1 and falls for 7.1 s. Acceleration due to gravity on the Moon is 1.6 m s-2. The asteroid's final speed is m s-1.
A car is initially travelling forwards at 4.5 m s-1. Then, accelerating at a constant rate, the car comes to a stop and drives backwards at 2.1 m s-1 for 12 s. The forwards acceleration of the car is m s-2.
A car, accelerating constantly, travels 8.2 km in 9.0 minutes. The car is initially travelling at 13 m s-1. The final velocity of the car is m s-1.
A bike travels 48 km in 1.5 hours. The bike is initially travelling at 6.6 m s-1. Assuming constant acceleration, the acceleration of the bike is mm s-2.
A ball is thrown upwards from the top of a building at a vertical velocity of 4.6 m s-1. The ball narrowly misses the lip of the building and falls to the base. The building is 60 m tall. When the ball hits the ground, it is travelling at a velocity of m s-1. (Use up as the positive direction.)
A cannon is placed 60 m from a target. The cannon fires its projectiles at a speed of 45 m s-1. To hit the target, the cannon should fire at an angle of ° from horizontal.
(HINT: You might need to use the trigonometric identity sin2θ = 2 sinθcosθ)