Name two technologies that people in developing nations could benefit from.

What are some basic safety rules to protect you from expose to current

A sound wave of 70 cm travels 840 m in 2.5 sec. What is the velocity and frequency of sound?

What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 29.0 km/h and the coefficient of static friction between tires and track is 0.

Based on how stars are named, which star is probably brightest

What is the mass of an object that weighs 720 N on the surface of the earth?

What are the strengths and limitations of the doppler method?

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle