question archive 1) car rounds a frictionless corner with a radius of 5
1) car rounds a frictionless corner with a radius of 5
Subject:PhysicsPrice: Bought3
1) car rounds a frictionless corner with a radius of 5.5 × 10^2 m. The
corner is banked at an angle of 5.7º. find the speed of the car as it rounds the corner
2) Why is the electrostatic force greater than the gravitational force ? Explain please.Thanks
3) Two people hear the 1700 Hz siren of an ambulance. One person is in
front and the other person is behind the ambulance. If the ambulance is traveling at 120 km/h, what is the difference in frequencies heard by the two people? Assume the speed of sound to be 333 m/s.
