Calculate the acceleration of a car (in m/s^2) that accelerates from 0 to 30 m/s in 6 s along a straight road.

Which of the following is a characteristic of a correct vector diagram? a. The scale is clearly labeled. c. Both magnitude and direction of the vector are clearly labeled. b. An arrow (with arrowhead) is drawn in a specific direction. d.

Marie is puzzled by her findings she has done several meticulous calculations and has gotten the numbers. 37 rad,.89 rad and 1.65 rad. she was expecting. 90 rad each time. she has been which of the following? a. neither precise and accurate b.

A current in a wire increases from 2 A to 6 A. How will the magnetic field 0.01 m from the wire change? It increases to four times its original value. It increases to three times its original value. It decreases to one-fourth its original value.

Why hasn't a perpetual motion machine been created?

A potential difference of 3.27 nV is set up across a 2.16 cm length of copper wire that has a radius of 2.33 mm. How much charge drifts through a cross section in 3.23 ms? Assume that the resistivity of copper is 1.69 * 10-8 Ω·m.

You are given miles = 50 miles, time = 1 hour initial given velocity = 0 miles/hour (your standing still) and final velocity = 50 miles/hour. you travel a total of 100 miles. How long did it take you (time) ?

The centripetal force acting on a satellite in orbit A. acts as an unbalanced force on the satellite. B. changes the direction of the satellite. C. is a center-directed force. D. all of the above

Compare your answer to the previous question with your observations in conducting this experiment. Discuss whether energy was conserved in your experiment. Was friction negligible

What is a controlled experiment? none of the variables are changed all variables are kept constant two variables are changed at a time one variable is changed at a time

At what phase would you expect to find extremely high and low tides?