You swing a 2.2 kg stone in a circle with radius 75 cm. At what speed do you need to swing it so its centripetal acceleration will be 9.8 m/s?

2.7 m/s

8.6 m/s

27.1 m/s

7.35 m/s

If you change a single base in a codon then 1. the codon could code for nucleic acids instead of amino acids 2. the codon could code for a different amino acid 3. the dna strand containing the codon could fall apart 4.

type 2 diabetes runs in familes, but its frequency has been rising in recent years. what factors might explain this increase in type 2 diabetes?

Explain three differences between a science and a pseudoscience.

The coefficient of kinetic friction between Gary's shoes and the wet kitchen floor is 0.28. If Gary has a mass of 52 kg, what is the force of kinetic friction acting on him as he slides across the floor?

What two principal factors affect the force of air resistance on a falling object?

How long does it take a car to travel 450 km at 75 km/hr

A free-falling golf ball strikes the ground and exerts a force on it

What are the main activities involved in studying physics?

What is the energy that moves your arms and legs

A moving object can be in equilibrium. Explain.