A piano of mass 852 kg is lifted to a height of 3.5 m. How much gravitational potential energy is added to the piano? Acceleration due to gravity is g = 9.8 m/s2.

Jennie is driving her car on vacation. It is a 540 km drive from Jennie's house to her vacation spot. She takes 6 hours to get there What is Jennie's average speed?

Four elements arbitrarily labelled A, B, C, and D have electronegativities of 3.8, 3.3, 2.8, and 1.3, respectively. Place the compounds AB, AD, BD, and AC in order of increasing covalent character

Which component of a loudspeaker produces sound waves? a solenoid coil a thin membrane a permanent magnet

When push-starting your car, what is the 3rd Law partner to the friction force you exert on the ground? A) The horizontal force you exert on the car. B) The normal force you exert on the ground. C) The normal force the ground exerts on you.

The electromagnetic waves with the most energy have the greatest period b) wavelength c) frequency d) color

A 60-watt light bulb has a voltage of 120 volts applied across it and a current of 0.5 amperes flows through the bulb. What is the resistance of the light bulb?

In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (including the slit spacing) the same, then The fringes stay the same brightness and get closer together.

The gravitational potential has a zero value gravitational field in the same place is? Maximum or null indeterminate

In four-seater countries, temperature drops below 0 ° C during peak winter. Why only the frozen surface of the water instead of the whole river and the lake freezes?

Which type of circuit is more useful and why