What element is used as a source of radiation in smoke detectors?

What force drives winds and ocean currents?

1. Given a voltage of 120 volts and a current of 5 amps, what is the resistance?

A 565 N rightward force pulls a large box across the floor with a constant velocity of 0.75 m/s. If the coefficient of friction is 0.8, what is the weight of the box?

If a pitch from a moving vehicle sounds lower to a hearer, where is the vehicle in relation to the hearer? A. past the hearer B. before the hearer C. above the level of the hearer's ear D. below the level of the hearer's ear

it would not be safe to connect the electric cooker hob to the mains electricity supply by plugging it into a standard power socket why

Check the boxes that correctly complete this statement. All isotopes of an element B) have the same number of protons. C) have the same atomic number.

On physical science so what is Forcewhat is force and its unit

If we have less power, we most likely have what?

Someone can learn something fully but not demonstrate that knowledge effectively through performance. T/F

What does the pharynx do in the respiratory system