What is the wavelength of light (nm) that has a frequency of 6.44 * 1013 s-1?

What is the mass of an object that requires a for of 30n to accelerate at a rate of 5m/sec

The mesure of the energy of motion of particles of matter

Idil's momentum is 107 kg·m/sec when she walks at 3.4 m/sec. What's her mass?

If an object has a mass of 20 kg, what is the force of gravity acting on it on earth? A. 32.67 N B. 2.04 kg C. 1.96 kg D. 196 N

Two disks of identical mass but different radii (r and 2r) are spinning on frictionless bearings at the same angular speed ω0, but in opposite directions. The two disks are brought slowly together.

What is the molecular geometry of a molecule with four bonding domains and one nonbonding domain?

A blue train of mass 50 kg moves at 4 m/s toward a green train of 30 kg initially at rest. The trains collide. After the collision the green train moves with a speed of 3 m/s. What is the final momentum of the blue and green train combined? A.

A) A 5.00-kg squid initially at rest ejects 0.250 kg of fluid with a velocity of 10.0 m/s. What is the recoil velocity of the squid if the ejection is done in 0.100 s and there is a 5.

Polarized light consists of waves that vibrate in one direction only.

Study the flowchart. The flowchart shows you all the steps to building a good working model of something. What steps lead to making improvements to a model?