Ask Question
PhysicsPhysics
Tobias Khan
What is the speed of a 0.145kg baseball if its kinetic energy is 109J?
Answer Answers (1)
PhysicsPhysics
Guillermo Hull
A student travels from st. louis to indianapolis, a distance of 210 mi, in 7.0 h. the return trip over the same route takes 6.0 h. what is the average speed for
Answer Answers (2)
PhysicsPhysics
Emily Ford
If the velocity of a moving object doubles, then what else doubles?
Answer Answers (1)
PhysicsPhysics
Ronin Carter
Which of the following dose not represent an adaptation that would lead an organism to be successful
Answer Answers (1)
PhysicsPhysics
India Castillo
Which set of conditions would produce the least favorable soil for growing crops?
Answer Answers (1)
PhysicsPhysics
Phoenix
A NASA explorer spacecraft with a mass of 1,000 kg takes off in a positive direction from a stationary asteroid. If the velocity of the spacecraft is 250 m/s and the asteroid is pushed back - 25 m/s, what is the mass of the asteroid? Assume there is no net force on the system.

A) 100 kg

B) 6,250 kg

C) 10,000 kg

D) 6,250,000 kg
Answer Answers (1)
PhysicsPhysics
Dennis
What are the characteristics of air pressure waves that we hear as sound?
Answer Answers (1)
PhysicsPhysics
Kolby Jenkins
Calculate how much work you need to move a 280 N shed to a platform 5 m above.

A 2,800 J

B. 1,400 J*

C. 56 J
Answer Answers (1)
PhysicsPhysics
Frederick
Forces of attraction limit the motion of particles most in
Answer Answers (1)
PhysicsPhysics
Ian Adams
What is the temperature of the center of the earth?
Answer Answers (1)
PhysicsPhysics
Yareli Ayers
A certain string has a mass of 120 g and a length of 40 cm. Consider the quantity 3 = 120/40.

1. Give the name of the quantity if there is one.

2. What is the interpretation of the quantity in this context?

3. Use the interpretation to find the mass of 7 cm of the same kind of string.
Answer Answers (1)
PhysicsPhysics
Chad Hayden
Four fundemental forces from weakest to strongest
Answer Answers (1)
PhysicsPhysics
Holloway
Which of the following is a correct principle of relative-age dating?

A. In undisturbed rock layers, the youngest rocks are on the bottom.

B. Rock-forming materials are deposited in horizontal layers, though they may be tilted later.

C. Sediments are deposited in lateral sheets, but their orders often change.

D. If one rock contains pieces of another, the rock containing the pieces is older than the pieces.
Answer Answers (1)
PhysicsPhysics
Tessa
The Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided?

A) Element

B) Atom

C) Electron

D) Molecule
Answer Answers (2)
PhysicsPhysics
Royce Nielsen
A researcher rolls some clay into a ball and shows it to Zian, then squishes the clay into a pancake. Zian understands that the amount of clay is the same in both. The researcher makes a row of 10 coins, then makes another row of 10 coins beneath it but spreads out the row so the coins are farther apart. Zian says the spread-out row has more coins in it. This seems to confirm the phenomenon Piaget called:
Answer Answers (1)
1 ... 66 67 68 69 70 ...
Home » Physics » Page 68
Sign Up Forgot Password?