Write the formulas of three important acids and three important bases. Describe their uses.

Which of the following is true about Earth science? A. There is no explanation for what occurs. B. Observations and experiments cannot explain natural events. C. Things in nature randomly occur. D.

Which part of the motor is responsible for reversing the flow of current?

Adam EvilKeynevil is a daredevil. As part of his act, Adam gets into his cannon and shoots himself at a 25.0 degrees angle at an initial velocity of 30.0 m/s. How far away from his initial position does he land?

A rocket blasts off from rest and attains a speed of 49 m/s in 14 s. an astronaut has a mass of 54.8 kg. what is the astronaut's apparent weight during take off?

In a calorimetery experiment, a researcher may burn a sample of food, which heats a sample of water. This procedure illustrates which energy transformation? A. gravitational potential into kinetic B. chemical potential into thermal C.

Two identical objects are pressed against two different springs so that each spring stores 55.0J of potential energy. The objects are then released from rest.

Zonal winds on the giant planets are stronger than those on the terrestrial planets because

When you try to stretch a bungee cord a distance x, it resists with an opposing force of the form b x2, where b is a constant. If b is measured to be 6 N/m2, how much work does it take to stretch the bungee cord a distance of 1 meterA. 2JB. 3JC. 0.

A 420 W vacuum cleaner is designed to operate 120 V. What is its resistance?

Technician A says that engine parts should be be cleaned before a thorough test can be done to detect cracks. Technician B says that pressure testing can be used to find cracks in blocks or cylinder heads. Who is right?