A football is kicked with a speed of 20ms at an angle of 40
A football is kicked with a speed of 20m/s at an angle of 40 degrees to the horizontal
a] how long is the football in the air?
b] how far does the football travel horizontally before if hits the ground
c] what is the final velocity
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A person weighs 75 N on the surface of the moon and 427 N on the surface of the Earth. What is the acceleration of gravity on the surface of the moon
A certain single ion channel is selectively permeable to K and has a resistance of 1.15 G?, How many K ions travel through the channel during this time
A cyclist intends to cycle up a hill whose vertical height is 170m.. Assuming the mass of bicycle plus cyclist is 75 kg
An uncharged capacitor is connected to the terminals of a 2.0V battery, and 9.0?C flows to the positive plate, How much additional charge flows to the positive plate
A football is kicked with a speed of 20m/s at an angle of 40 degrees to the horizontal, how long is the football in the air
The mass of a robot is 4340 kg. This robot weighs 3000 N more on planet A than it does on planet B. Both planets have the same radius of 2.37 × 107 m
A projectile is launched with an initial speed of 50 m/s at an angle of 35° above the horizontal, What is the projectile's velocity at the highest point of its trajectory
How much work is done on the car by the engine when accelerating the car from rest to 90m/s, What is the average power delivered by the engine
it takes 100 minutes for a middle-aged physics professor to ride his bicycle up the road to Alpe d'Huez in France, What is the bicyclists average power output
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