A roller coaster has a vertical loop with radius 15.8 m. with what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats?

Large cockroaches can run as fast as 1.50 m/s in short bursts. suppose that you turn on the light in a cheap motel and see a cockroach scurrying away from you in a straight line at a constant 1.50 m/s as you move toward it at 0.70 m/s.

A man is sitting on a chair. Identify the true scenario from the following options: The man exerts a greater downward force on the chair than the upward force exerted on him by the chair.

What is the maximum height of any vehicle that may be operated without a special permit?

What form of energy does a compressed spring have? a. heat energy b. kinetic energy c. chemical energy d. potential energy

Which law represents a balanced chemical equation? Avogadro's hypothesis ideal gas law law of conservation of mass Newton's first law of motion Newton's second law of motion

Four potential forces can act on the ball Which combination of forces will keep the ball in static equilibrium? The length of the arrows represents the magnitude of the force A and B A and C B and D 8. Cand D Submit Force, Mass, and Motion

The resultant of a 50N force acting on an object to the right and a 20N force acting on the object to the left is what

A student conducts and investigation to determine a ball's mass, displacement, velocity and acceleration. (A) Identify each of the following as wither a vector or scalar quantity: Mass, Displacement, Velocity & Acceleration.

A ball is rolling down a hill at + 1.0 m/s, The ball is uniformly accelerating at +4.9 m/s?, What will the ball's velocity be 4.0 s later? +8.9 x 100° m/s +2.0 x 10^1 m/s +2.1 x 10^1 m/s -1.9 x 10^1 m/s

What is the difference between unicellular and multicellular organisms?