A girl is walking 2km north them east then south then west whar is her displacement

Match each item to its best description. A. solar nebula planets orbit a star B. accretion disk gas and dust spins C. solar system large cloud of gas and dust

Can a observation be accurate but not precise?

Which of the following is a true statement about the acceleration ~a of the pendulum bob ~a is equal to the acceleration due to gravity. ~a is perpendicular to the bob's trajectory. ~a is equal to the instantaneous rate of change in velocity.

What is the ratio of the sun's gravitational force on you to the earth's gravitational force on you? fsunfearth = ?

A thermostat is used for which of the following? maintaining the temperature in a room turning a heating system on turning a heating system off all of the above

Write the energy equivalent to 300 units of electrical energy in joules

Briefly describe why these searches suggest that star-like (our planet-like) objects and black holes cannot account for all the dark matter in the halo of our galaxy.

What two units of measurement are necessary for describing speed?

If 3,600 J of work is done in 3.0 s, what is the power? 0.00083 W 1,200 W 3,600 W 11,000 w

Julia rides her horse 12 miles in 45 minutes. What is her average speed in mi/min? Show Your Work.