Physics » Page 43

Physics

Guest

Which wave diffracts the most when encountering an obstacle?

Answer Answers (1)

Physics

Katelyn Brown

Frank wrote several statements to summarize the relationship between the first and second laws of thermodynamics. 1 - Thermal energy is conserved. 2 - Some thermal energy is lost and some is used to do work. 3 - Thermal energy flows from areas of higher to lower temperatures. 4 - Thermal energy can be transferred and transformed. Which statement relates most directly to the second law?

Answer Answers (2)

Physics

Myah Ward

The average density of the outer "giant" planets compared with the density of liquid water is

Answer Answers (1)

Physics

Aryan Warner

One advantage of conventional nuclear power, when compared to coal, is

a. no related occupational deaths.

b. limited risk from catastrophic accidents.

c. no contribution to global warming.

d. unlimited supply of raw materials.

Answer Answers (1)

Physics

Sabine

Why would it be a problem if your household appliances were connected in a series circuit

Answer Answers (2)

Physics

Arturo Arnold

A rotating light is located 13 feet from a wall. The light completes one rotation every 3 seconds. Find the rate at which the light projected onto the wall is moving along the wall when the light's angle is 15 degrees from perpendicular to the wall.

Answer Answers (1)

Physics

Amelia Cherry

A cell phone charger operates at 5 volts and can deliver a maximum current of 1.0 Amp. If your cell phone has an energy storage capacity of 38.9~38.9 kiloJoules, what is the shortest possible time (in hours) it would take to fully charge your empty phone battery using this charger.

Answer Answers (1)

Physics

Fisher Villa

A student uses a spring to launch a marble vertically in the air. the mass of the marble is 0.002kg and when the spring is stretched 0.05m it exerts a force of 20N. what is the maximum height the marble can reach?

Answer Answers (1)

Physics

Solomon Rich

Consider a uniform hoop of radius r and mass m rolling without slipping. which is larger, its translational kinetic energy or its rotational kinetic energy?

Answer Answers (1)

Physics

Zion Burgess

A star's parallax angle is 0.8. How far away is the star in parsecs? Astronomy

Answer Answers (1)

Physics

Sullivan Watkins

Multiply these measurements, using significant digit rules:

1.27 kg x 9.8 m/s2 = kg ∙ m/s2

Answer Answers (1)

Physics

Giovani

Why a raw egg shell disolves when submerge in vineger

Answer Answers (2)

Physics

Michaela Solomon

A brick and a feather fall to the earth at their respective terminal velocities. which object experiences the greater force of air resistance?

Answer Answers (1)

Physics

Tyree Anthony

What happens to an object in motion when it experiences a nonzero net external force?

Answer Answers (2)

Physics

Valeria Herman

What is the weight of a 250 g bag of sweets?

Answer Answers (1)