Explain how the isotopes of an element are alike and how are they different

Which of the following have exactly 5 significant figures? A. 45,000 B. 0.0450 C. 370.0 D. 32.110

At launch the space shuttle weighs 4.5 million pounds. When it is launched from rest, it takes 8.00 s to reach 162 km/h, and at the end of the first 1.00 min its speed is 1620 km/h.

Which constellation is highest in the sky during November

Explain how to determine the amount of error between a vector addition and the real results

Determine the horizontal and vertical components of a vector with a magnitude of 50 and a direction of 42° relative to the horizontal.

are the properties of a specific element the same as the properties of a molecule made up of that element? why or why not

In what circumstance is displacement the same as distance traveled?

A team of dogs is pulling a sled with a net force of 2000 N. The sled is accelerating a 2.2 m/s^2. What is the mass of the sled?

Is the reduction of copper from copper (ii) oxide by carbon exothermic or endothermic? what is the sign of the energy change?

True or false we have mucus that covers are stomach which prevents or stomach acid from digesting or stomach