Physics » Page 59

Physics

Rowan Archer

What is a retirement fund?

age to stop working

age to work part-time

amount of money saved to fund future expenses

amount of money saved to fund current expenses

Answer Answers (1)

Physics

Clarence Vincent

A force of 1000 Newtons is used to push a box on a flat floor. It accelerated at a rate of 5 m/s2. What is the mass of the wagon?

Answer Answers (1)

Physics

Caroline Brennan

What causes the cycle of solar activity? what causes the cycle of solar activity? changes in the speed of the solar wind changes in the sun's fusion rate changes in the organization of the sun's magnetic field?

Answer Answers (1)

Physics

Siena

35 grams of salt is dissolved in 500 grams of total solution. What is the percent by mass of salt?

Answer Answers (1)

Physics

Kameron Gutierrez

Helium is used in balloons because it is

Answer Answers (1)

Physics

Derrick Wu

What is the mass of a man running at 3.82 m/s if he has a kinetic energy of 879.9 J?

Answer Answers (1)

Physics

Harley Parsons

Why is it important to conduct repeated trails during an investigation

Answer Answers (2)

Physics

Arjun Moses

Which of the following energy sources is expected to have the highest rate of consumption in 2030?

a. coal

b. natural gas

c. nuclear

d. renewable energy

Answer Answers (2)

Physics

DJ

What happens to the density if the volume of an object decrease and the mass remains the same?

Answer Answers (1)

Physics

Abel Mitchell

A patient needs to take 375 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patient need to take each time she wants the 375 mg dosage? Assume that these pills are scored and can be cut in half if necessary.

Answer Answers (1)

Physics

Gracie Figueroa

How are conduction and induction alike and how are they different?

Answer Answers (1)

Physics

Ellice

The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 100 volt potential difference is suddenly applied to the initially uncharged plates through a 975 ohm resistor in series with the deflection plates. How long does it take for the potential difference between the deflection plates to reach 75 volts

Answer Answers (1)

Physics

Peyton Barber

A 1.2-kg object moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges with a speed of 6.0 m/s in the opposite direction. if the object is in contact with the wall for 2.0 ms, what is the magnitude of the average force on the object by the wall? ans: 8400 n

Answer Answers (1)

Physics

Zavier Li

What happens when waves encounter a medium that they cannot travel through

Answer Answers (1)

Physics

Dahlia Higgins

Suppose you were to play a trumpet after breathing helium, in which the speed of sound is much greater than in air. Would the pitch of the instrument be higher or lower than normal, or would it be unaffected by being played with helium inside the tube rather than air?

Answer Answers (1)