A horizontal force of at least 150N is required to start moving a 750N crate initialy at rest on a horizontal fioor the coefficient of static friction between the crate and the floor is?

Action and reaction are equal in magnitude and opposite direction then why they don't balance each other

If the atomic number of an element is 6 and its mass number is 14, how many neutrons are contained in the nucleus?

A skier moves 100m horizontally, then 35m uphill at an angle of 35 degrees above horizontal, what is the skier's displacement? Not just the answer ... how do I figure the problem?

In some states the highway patrol uses planes carrying radar devices to monitor traffic. As the plane files over traffic, the radar device can tell the officers how fast each car is moving at that moment in time. The radar determines the cars

Consider again the objects you ranked by distance in Part A. Suppose each object emitted a burst of light right now.

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.