A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centripetal force on the car is 6,000 newtons. What is the radius of the curve?

a 1 m length of string is wrapped around a solid disk, of mass. 25 kg and a radius of. 30m, mounted on a frictionless axle. the string is pulled with a tension force of 20 N. what is the angular velocity of the disk after the string is pulled off

Which statement about one of Newton's laws of motion is incorrect? A) the total force on an object is calculated by multiplying it mass times its acceleration, B) An object is motion continues in motion unless acted upon by and outside force.

Yasmin is testing an unknown solution to determine whether it is an acid or a base. She dips red litmus paper in the solution. It remains red. What can she conclude about the sample?

The formula CO2 is an example of Element Ionic compound Covalent compound Metallic compound

What is produced by converging trade winds? A. Trade winds B. Easterlies C. Doldrums D. Horse Winds

How does an economic incentive effect the environment

Based on which law does the Dynamo work?

Arches National Park, Utah Constructive or Desructive force

A mosquito of mass 0.15 mg is found to be flying at a speed of 50 cm/s with an uncertainty of 0.5 mm/s. (a) How precisely may its position be known? (b) Does this inherent uncertainty present any hindrance to the application of classical mechanics?

A Carnot engine has a power output of 148 kW. The engine operates between two reservoirs at 17◦C and 727◦C. How much thermal energy is absorbed each hour? Answer in units of J.