Physics » Page 26

Physics

R was thirsty and decided to mix up a pitcher of lemonade. She put lemon juice, water, and sugar into a pitcher and stirred it to create this wonderful new drink. How could Taylor decide if she just created a mixture or a compound?

Answer Answers (1)

Physics

Make a prediction on how two A-tapes interact. Will they attract, repel or exert no force on each other?

Answer Answers (1)

Trevor Blackburn

Physics

8. A train rolls at a constant speed of 10 m/s across a horizontal track. A child standing on the flatbed of the

train throws a ball so that it appears to move straight up to an observer standing next to the track.

a. What is the horizontal speed of the ball relative to the observer?

b. What is the horizontal speed of the ball relative to the train?

c. If the ball is also thrown upward with a speed of 20 m/s, what is the overall initial speed of the ball

relative to the train?

Answer Answers (1)

Physics

What type of wave is a sound?

Answer Answers (2)

Physics

1. Find an example of electrical energy being converted to light energy.

2. Find an example of potential energy being converted to kinetic/mechanical energy.

3. Find an example of chemical energy being converted to sound energy.

4. Find an example of electrical energy being converted to mechanical energy.

5. Find an example of chemical energy being converted to mechanical energy.

Answer Answers (1)

Physics

What name is given to two or more cells connected together in a circuit?

Answer Answers (1)

Physics

The only variable that changes is the baseballs?

a. velocity

b. kinetic energy

c. mass

Answer Answers (1)

Physics

A basketball player is running at a constant speed of 2.5 m/s when he tosses a basketball upward with a speed of 6.0 m/s. How far does the player run before he catches the ball? Ignore air resistance. I got stuck because I wasn't sure wich formula to use when approaching this problem. Does it involve an angle at all?

Answer Answers (1)

Physics

The earth is composed of four layers three of these layers are solid and only one is liquid which layer exits in the liquid state

A. Crust

B. Inner core

C. Mantle

D. Outer core

Answer Answers (2)

Physics

Different forms of the same element are called what

Answer Answers (2)

Physics

The rotational inertia I of any given body of mass M about any given axis is equal to the rotational inertia of an equivalent hoop about that axis, if the hoop has the same mass M and a radius k given by The radius k of the equivalent hoop is called the radius of gyration of the given body. Using this formula, find the radius of gyration of (a) a cylinder of radius 1.20 m, (b) a thin spherical shell of radius 1.20 m, and (c) a solid sphere of radius 1.20 m, all rotating about their central axes.

Answer Answers (1)

Sierra Hernandez

Physics

Which of these substances has the highest pOH?

0.10 M HCl, pH = 1

0.001 M HNO3, pH = 3

0.01 M NaOH, pH = 12

Answer Answers (1)

Phoebe Townsend

Physics

An object of unknown mass m is hung from a vertical spring of unknown spring constant k, and the object is observed to be at rest when the spring has extended by 16 cm. the object is then given a slight push and executes shm. determine the period

Answer Answers (1)

Physics

Which of the following is MOST useful to scientists in measuring the size of asteroids?

A) The speed at which the asteroid is traveling.

B) The location of the asteroid in the Solar System.

C) The gravitational effect when spacecraft flies close to the asteroid.

D) The composition of the asteroid.

Answer Answers (1)

Physics

A particle moves 3.0 m along a circle of radius 1.5 m. (a) Through what angle does it rotate? (b) If the particle makes this trip in 1.0 s at a constant speed, what is its angular velocity? (c) What is its acceleration?

Answer Answers (1)