5) In a lab, a student is asked to roll a marble down a ramp from a height that will give it a velocity of 2.0 m/s at
ramp. From what height should the marble be released?
A)
10 cm
B)
20 cm
0
40 cm
D
The mass of the marble needs to be known to find the answer.

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm