Which one describes how much matter an object contains, using SI units?

A. 43kg

B. 65m

C. 38pounds

D. 89second

Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 19 kg object on the Earth? The acceleration of gravity is 10 m/s2 Answer in units of N. (part 2) 10.

If a cyclist of mass 70kg uses a bicycle of mass 7kg, how much work must the cyclist do against gravity in order to ascend to 2100 m from sea level (0m)

Which of the following shows the prefixes in order from smallest to largest? A) micro milli centi B) centi milli micro C) deca deci milli D) mega milli micro

The ph of an acidic substance ia between what values on the ph scale

How many 5 cm squares

What is the difference between speed and velocity and give an example.

Water flows over a section of niagara falls at the rate of 1.2x10^6 and falls 50.0 m. how much power is generated by the falling water

What is the darkest side of the moon called?

Brian is a healthy young man. He has been training with his teammates for a 50-yard dash for months. However, even with practice, he cannot run fast enough to qualify. What is the most likely reason that Brian can't qualify?

1. Are BEVs or hydrogen fuel cell vehicles a more promising transportation technology for the future? 2. Should car companies be required to produce electric cars?