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Working with displacements and velocity.

A car is 10km directly NE of you (45 degrees North of Due East) it drives South at 50km/hr for 0.5 hr. How far away from you is the car at that point?

Subject:

Physics

Topic:

Modern Physics

Posting ID:

5281

OTA ID:

103060

View Details $1.99 Download Add to Cart

Calculating the cubic cm of ice in Antarctica.

How many cubic cm of ice does Antarctica contain? r=2000 km avg. ice thickness = 3000 m

Subject:

Physics

Topic:

Modern Physics

Posting ID:

5283

OTA ID:

103060

View Details $1.99 Download Add to Cart

Working with astronomical units.

Astronomical Unit of earth to sun is @ 1.50 x 10^8 km. Speed of light is about 3.0 x 10^8 m/s. Express the speed of light in terms of (AU) per minute.

Subject:

Physics

Topic:

Modern Physics

Posting ID:

5284

OTA ID:

103060

View Details $1.99 Download Add to Cart

Working with the mass of atoms in relation to earth's mass.

Earth has a mass of 5.98 x 10^24 kg. The average mass of atoms that compose earth is 40u. How many atoms in the earth?

Subject:

Physics

Topic:

Modern Physics

Posting ID:

5285

OTA ID:

103060

View Details $1.99 Download Add to Cart

Working with constant acceleration.

The brakes on car are capable of a deceleration of 5.2 m/s^2. a) If you are going 137 km/h and suddenly see a state trooper, what is the minimum time in which you can get your car under the 90 km/h speed limit? b) Graph x versus t and v versus t for such a deceleration.

Subject:

Physics

Topic:

Modern Physics

Posting ID:

5286

OTA ID:

103139

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