Suchita sees this symbol shown in a circuit diagram. What is the purpose of the component represented by the symbol?

to measure current

to measure voltage

to provide electrical energy

to use electrical energy

How does momentum change if the mass of an object is doubled?

If a pillow has a mass of 200g and a volume of 10L what is the density

What voltage would be measured across the 45 ohm resistor?

The ice in his drink has a mass of 6 g and a volume of 20 cm3. what is the density of the ice?

What do you call the warming effect some gases have on the atmosphere by absorbing and radiating heat? a. Convection b. Radiation c. Solar heating d. The greenhouse effect?

Which object has a varying speed? A. a bird flying 10 m/s for 10 seconds B. a car slowing from 60 m/s for 10 seconds C. a fish moving at 2 m/s for 5 minutes D. a car traveling the speed limit

Most of the energy used by light on earth comes from

If a psychologist were to run an experiment measuring the effects of temperature on aggression the differing temperature would be considered the A. dependent variable. B. experimental variable. C. independent variable. D. random assignmen

Which type of wave was produced in the "Waves" lab? A transverse wave B longitudinal wave C surface wave

A rocket, weighing 4.36 x 10^4 N, has an engine that provides an upward force of 8.90 x 10^5 N. It reaches a maximum speed of 860 m/s. What is the NET force on the rocket