A dancer lifts a 200-kg barbell with an acceleration of 3 m/s2. How much force does the weightlifter use to raise the barbell

What are some advantages that're also disadvantages of airbags and seat belts, and what are some advantages and disadvantages of the concussion law for athletes?

Describe how all the air in the oven becomes hot?

Water boils at a temperature below 100 degrees celcius at higher altitudes. true or false?

At a particular instant, a stationary observer on the ground sees a package falling with speed v1 at an angle to the vertical.

If we compare and contrast the three liquid seem in the jar

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?

What has become an important alternative to Piagetian approaches?

How would life on earth be different if earth's axis were not tilted with respect to its orbit? A. There would be no seasons. B. There would be no day and night. C. All places would have the same climate. D. The seasons would be much shorter.