Select the correct answer. Which magnet will produce the strongest force of attraction when placed beneath this magnet? A. B. C. D.

A bike travels 30m/s for 3 seconds. How far did it travel?

A 8.0*104kgspaceship is at rest in deep space. Its thrusters provide a force of 1200kN. The spaceship fires its thrusters for 20s, then costs for 12km. How long does it take the spaceship to coast this distance

How much would your 20.0 kg dog weigh on Neptune?

A portable music player, operating with four 1.5 V cells connected in series, provides a resistance of 15 000 Ω. What amount of current is flowing through the music player?

It takes a bus driver 30 min to pick up students from four stops. The last stop is at the corner of green street and route 70. The most direct route to school is north on route 70. The speed limit on route 70 is 35 kph.

The frequency of the George Washington Bridge is 2.05 Hz. What is its period?

Is speed and average speed the same thing?

Explain constellations and galaxies in detail.

A vw bug is driving north on a striaght two lane road at a constant 38mph and a chevy impala is driving south at 29mph on the same road heading toward the vw bug (but in a different lane).

Ptolemy and Copernicus were astronomers who had proposed theories about the solar system. Ptolemy believed that the planets and the sun orbited Earth. Copernicus believed that Earth and other planets circled a stationary sun.