Acids will release a blank ion in solution. A. Carbonate

B. Hydrogen

C. Ammonium

D. Hydroxide

Which is not a way to minimize your exposure to radiation? A) wearing a lead apron B) keeping a good distance C) standing behind a thick concrete wall D) wearing lead-lined gloves E) staying a longer time

A wave with a frequency of 500 Hz is traveling at a speed of 200 m/s. What is the wavelength?

A shield of material that reflects neutrons is placed around a radioactive sample. Which change in the nuclear reaction is most likely to happen? A) A chain reaction will be sustained in a subcritical mass.

At the first moment when the energy is shared equally by the inductor and the capacitor, what is the charge on the capacitor?

A cello string vibrates in its fundamental mode with a frequency of 335 1/s. The vibrating segment is 28.5 cm long and has a mass of 1.47 g. Find the tension in the string.

A brick with a mass of 20 kg and a weight of 196 N is released on a frictionless plane at an angle of 30°. What is the acceleration of the brick? A. 4.9 m/s2 B. 5.6 m/s2 C. 8.5 m/s2 D. 9.8 m/s2

7. What are the 3 types of air resistance and explain them?

Which model of the atom first introduced the idea of a nucleus? Question options: Thomson's model Dalton's model Rutherford's model Bohr's model

A gymnast practices two dismounts from the high bar on the uneven parallel bars. during one dismount, she swings up off the bar with an initial upward velocity of + 4.0 m/s.

Your friend, who is age 15 and has a resting heart rate of 70, wishes to start a jogging program. What would you suggest as a proper starting target heart rate? 138 115 178 155