Which wave would have the higher pitch?

A) a

B) b

What is the mass of a stone moving at a speed of 15 meters/second and having a momentum of 7.5 kilogram·meters/second?

A 6.30 kg piece of solid copper metal at an initial temperature T is placed with 2.00 kg of ice that is initially at - 16.0 ∘C. The ice is in an insulated container of negligible mass and no heat is exchanged with the surroundings.

George pushes a wheelbarrow for a distance of 12 meters at a constant speed for 35 seconds by applying a force of 20 newtons. What is the power applied to push this wheelbarrow?

A 60 kg man jumps down from a 0.8 m table. What is the speed when he hits the ground? (Take g = 10 m/s2)

5. A car has a kinetic energy of 4.32x105 J when traveling at a speed of 23 m/s. What is its mass?

A satellite has a mass of 6124 kg and is in a circular orbit 4.64 * 105 m above the surface of a planet. the period of the orbit is 1.7 hours. the radius of the planet is 4.42 * 106 m.

A weightlifter Lifes a 100 kg barbell from the floor to a height of 2.00 m in 1.50 seconds. find the power he generates (use G=10 N/KG)

Use 3rd law to explain how a fish swims through water. Identify the force pairs and draw a diagram.

A sample of dna contains 1000 guanine bases how cytosine bases does it contain

What is the name of an ionic compound that consists of lithium ions (Lit) and iodide ions (I) ?