A car has an initial velocity of 2.4 m/s and accelerates at a constant acceleration to a velocity of 20 m/s over a time period of 20 s. Determine the car's displacement over the period.

Why is no-till farming more sustainable than many traditional methods of farming

When Einstein proposed his General Theory" of Relativity, he suggested some pretty strange ideas about space, time, and gravity.

Scientific theories have strod the test of time and will not change

Abdul is pushing his 20. kg little brother on a merry go round with a radius of 2.0m. If his little brother is on the edge of the merry go round and has a angular momentum of 360 kg m^2sec. what is his speed?

The attractive force between a negatively charged particle (electron) and a positively charged particle (proton) is greater on the

A major obstacle to developing good human relations is that

4.) An apartment building is on fire and a guy is trapped on the fire escape ladder. There is a dumpster that is 6.3m away and is filled full of trash, and he is 7m above it.

Calculate the temperature of and power-per-area radiated from a blackbody if the spectral intensity density peaks at (a) gamma rays, λ = 1.50*10-14 m; (b) x rays, 1.50 nm; (c) red light, 640 nm; (d) broadcast television waves, 1.

How has increased energy use associated with scientific advancements affected society? a. It has led to an increase of the concentration of atmospheric carbon dioxide. b. It has led to an increase in hazardous wastes from mining operations. c.

Water is moving with a speed of 5.7 m/s through a pipe with a cross-sectional area of 4.8 cm2. The water gradually descends 9.2 m as the pipe increases to 8.8 cm2. (a) What is the speed at the lower level? (b) If the pressure at the upper level is 1.