You thrown a ball horizontally and drop an identical ball from the same height. They hit the ground
What is at the same time?
100
A scalar is a quantity that has
What is magnitude?
100
A projectile at the top of its path has a velocity of...
What is zero?
100
A plane flying in a 200 km/h has a 40 km/h tailwind. The plane's shadow moves across the ground at this speed.
What is 240 km/h?
200
when representing velocity as a vector the direction of the arrow shows ....
What is the direction of motion?
200
An airplane flying into a head wing loses ground speed, and an airplane flying with the wind gains ground speed. An airplane that flies at right angles to the wind, then ground speed is...
What is more?
200
If there were no air resistance, a ball thrown at 8km/sec would
What is escape the earth?
200
A tennis ball thrown straight up, a baseball thrown through the air, and a marble rolling off the edge of a table are all....
What is a projectile?
200
8 km/h
What is the velocity required to become a satellite?
300
A bullet fired from a gun with a muzzle velocity of 100 m/sec, one second later the bullet will be.....
What is 100 meters?
300
A ball launched into the air at an angle of 30 degrees lands on a target that is at the same level as where the ball started. The ball will also land on the target if it is thrown at an angle of...
What is 60 degree?
300
A child rolling down a slope is not a projectile because...
What is not in free fall?
300
Two forces that are required
What is gravity and inertia?
400
The horizontal component of a projectiles velocity is independent of the ...
What is vertical component of its velocity?
400
An object is dropped and falls freely to the ground with an acceleration of 2 g. If it is thrown upward at an angle instead, its acceleration would be...
What is 2 g?
400
The angle that will a thrown ball will travel the farthest.
What is 45 degrees?
400
"Falling around the earth"
What is a satellite's motion?
500
2 ways to solve for a resultant vector.
What is the parallelogram method and the pythagorean theorem?
500
If an athlete runs horizontally and has the same vertical component of a standing-still take-off, his hang time will be...
What is the same?
500
A bullet fired horizontally hits the ground in 0.5 seconds. It if had been fired with a higher speed in the same direction, it would have hit the ground in...
What is 0.5 seconds?
500
A cannonball launched at an angle of 30 degrees, a speed of 10 m/sec (no air resistance) will land on the ground with this speed.