When is an object moving in uniform circular motion?

A. when it speeds up around a curve

B. when its tangential speed is constant

C. when it has no net force acting on it

D. when its acceleration is tangent to a circle

Would objects fall faster on Mars or on Earth? Why?

Third parties do best when: A) they concentrate on winning national office, not state and local elections. B) there is a major scandal. C) they have a dynamic candidate. D) trust in the major parties is low.

Stars are made in which of the following Nebulas Black holes Dark matter

Electric fields are produced by electrically charged particles and by changing

The mass of an electron is ... A. equal to the mass of the proton and the neutron B. not significant to the overall mass of the atom C. higher than the mass of the proton or the neutron

What would we need to know to calculate both work and power? energy, force, and time force, distance, and time force, mass, and distance mass, force, and energy

A 1.4 kg particle moves along an x axis, being propelled by a variable force directed along that axis. Its position is given by x = 3.0 m + (4.0 m/s) t + ct2 - (1.6 m/s3) t3, with x in meters and t in seconds. The factor c is a constant. At t = 3.

One reason that life as we know it is unlikely to exist on Venus is because A. the surface temperature is too high. B. the surface temperature is too low. C. the surface has too much ice covering it. D. there is no atmosphere.

An object has a kinetic energy of 275 j and a momentum of magnitude 25.0 kg · m/s. find the (a) speed and (b) mass of the object.

with the wind a driver travels 300 mies in 5 hours. The return trip against the wind take the driver 6 hours. At what rate would thedriver travel without any wind What is the rate of thew ind?