A sound wave travels at 330 m/sec and has a wavelenght of 2meters. calcuate the frequency and period

A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s 2. What is the mass of the box?

How to make a curtains without a sewing machine?

Which of the following gases would diffuse the fastest?

The rain shadow effect would be most evident in which direction relative to the rocky mountains?

A student, standing on a scale in an elevator at rest, sees that his weight is 840 n. as the elevator rises, his weight increases to 1050 n, then returns to normal.

A car traveling at 54km/hr slows down uniformly to a velocity of 18km/hr when the break were gradually applied. 1. how long does it takes to cover a distance of 50m 2. what is the deceleration?

A helicopter flies southeast with a ground speed of 250 km/h. If the wind speed is 17 km/h southeast, what is the air speed? A. 249 km/h B. 251 km/h C. 233 km/h D. 267 km/h

Solve 3.4 = 5.1 (3.7x + 4.7) for x.

What is the next deal if the data from an investigation do not support the original hypothesis

Jack drops a stone from rest off of the top of a bridge that is 24.4 m above the ground. After the stone falls 6.6 m, Jill throws a second stone straight down. Both rocks hit the water at the exact same time.