Which of the following elements is a metalloid?

a. copper

b. helium

C. phosphorus

d. germanium

superman lived on another planet where the acceleration due to gravity is 23.6 m/s^2. if a woman falls from a building that is 65m tall, how long he have to save her before she hits the ground

What is the correct definition of mechanical energy?

The horizontal component of force acting at an angle of 30 degree with the horizontal is 100N. Find the magnitude of the force and its vertical component.

Imagine you are sitting in front of a pizza. Before you eat it, imagine what you are sensing - smells, sites, touch sensations.

According to the doppler effect, what appears to happen when a light source moves closer to an observer? The waves stretch and frequency appears to decrease. The waves stretch and frequency appears to increase.

What do nuclear fission and nuclear fusion have in common?

When plug prongs are connected to the metal case of an appliance, a part that should always be placed next to the case is a a. flat metal washer. b. hexagonal aluminum shoulder. c. steel nut. d. mica washer.

For a constant voltage, increasing the resistance will cause the current to decrease

Soils are made up of mineral portion an organic portion air and water what is meant by the word organic Nonliving mineral in composition Composed of several organs Material that was produced by or was/is part of living organism Musics in nature

A car is traveling at 42.0 km/h on a flat highway. (a) If the coefficient of friction between road and tires on a rainy day is 0.107, what is the minimum distance in which the car will stop?