zianna

a projectile is thrown with the speed of 25 meter per seconds in a direction 30° above the horizontal. -how high does it go. -how long does it take to reach the maximum height. -how long does it reach the Projectile along in the air. -how far does it go.

An automobile starts from rest and 110 ft attains a speed of 30 mi/h. In what time has it traveled this distance and the is the acceleration?

a train starts from rest ad at the end of 90° seconds has a speed of 10km/h. What is the acceleration?

An automobile starts from rest and 110 ft attains a speed of 30 mi/h. In what time has it traveled this distance and the is the acceleration? -when is the acceleration of the object positive and negative?

what net force is required to bring a 1500kg car to rest from a speed of 100kph within a distance of acceleration.

determine the tension in a cable needed to lift a 2000 kg elevator with an acceleration of 1.5 m/s.squared. How would you solve this? ): Which formula do you use?

In one day, a 75-kg mountain climber ascends from the 1500-m level on a vertical cli to the top at 2400 m. The next day, she descends from the top to the base of the cli , which is at an elevation of 1350 m. What is her change in gravitational potential e...

a slingshot will shoot a 10 pebble 22.0 m straight up. a) how much potential energy is stored in the slingshot rubber band? B) With the same potential energy is stored in the rubber band, how high can the slingshot shoot a 25g pebble?

what is the acceleration of a point on the time of a flywheel 0.90 m in diameter, turning at the rate of 1200 rev/min?

discuss the relationship of the following variables with the centripetal force: a.)radius of revolution b.)mass of the object c.)speed of revolution.

a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a rope to the car's bumper and stretches it around a tree in front of a car. She then pushes with 200 newton force against the horiz...