What is the average velocity of a car that travels 450 km north in 9.0 hours?

An electron moving at4.00 * 103m/sin a 1.25-Tmagnetic field experiences a magnetic force of1.40 * 10-16N. What angle does the velocity of theelectron make with the magnetic field? There are twoanswers

multiply or divide to make this English distance conversion. 174 inches = ___ feet (14.5, 58, 2,088, 23)

An object that is moving will stop moving when A. something pushes or pulls it to a stop. B. it has stopped speeding up. C. the force that is making it move stops pushing it. D. it has used up all its momentum.

The amplitude of a sound wave determines its loudness pitch frequency wavelength

How many galaxies are there in the observable universe?

Oil flows upward in the wick of a lantern because of the liquid property called A. meniscusity. B. capillarity. C. density. D. viscosity.

A high-mass star has more "fuel" than a low-mass star. which lives longer? why?

Suppose that, while lying on a beach near the equator of a far-off planet watching the sun set over a calm ocean, you start a stopwatch just as the top of the sun disappears. you then stand, elevating your eyes by a height h = 1.

Suppose you want to know if the color of peoples hair affects how warm it can keep their heads. describe the skills you would use to conduct an experiment to test your inquiry

The mass is increased by a factor of four. What is true about the period? Choose the best answer. The period remains unchanged. The period increases by a factor of four. The period is halved. The period doubles.