The current in a river is 1.0 meters/second. Britney swims 300 meters against the current. If she normally swims with a speed of 2.0 meters/second in still water, how long does it take her to complete the trip?

What is the velocity of a dropped object after it had fallen for 3.0s?

Determine the frequency of light with a wavelength of 3.835 * 10-7 cm. answer in units of hz.

A ball is thrown upward with an initial velocity of 12.1 m/s. How long will it take to reach a velocity of - 24.5 m/s?

Three resistors which values of 15 ohm 40 ohm 60 ohm respectively are connected in parallel. what is their equivalent resistance? if a 115v potential difference is applied to the circuit, what is the total current through the circuit?

How does seismic waves cause earthquakes?

What is the magnitude of the gravitational force the apple exerts on earth?

What is the period of a 1.00 m long pendulum?

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load

1. The horizontal and vertical components of a projectile's velocity are a. directly proportional C. independent of each other b. inversely proportional d. equal