If a typical smelt weighs 225 g, what is the total mass of pcbs in a smelt in the great lakes?

Two grocery carts collide head-on, a full one with a mass of 35 kg moving east at 2 m/s and an empty one with a mass of 10 kg moving west at 3 m/s. After the collision, the full cart is moving east at 0.75 m/s.

1. What's your great idea for capturing carbon emissions from existing power plants today?

Which type of electromagnetic wave has a wavelength that is about 10 m to 1000 m in length?

1: Explain how insurance transfers risk to a third party.

Discuss the production, transmission, and usage of electricity in the context of conservation of energy. When electricity is "used" or we say that energy is "wasted," what is actually happening?

A sample of N-type silicon is at the room temperature. When an electric field with a strength of 1000V / cm is applied to the sample, the hole velocity is measured and found to be 2 * 105 cm/sec. a.

Which of the following is a vector quantity? A. 83 ounces of liquid B. 55 km/hr in a truck C. 15 seconds of travel D. 10 m/s down

Which of the following best describes the ultraviolet catastrophe of blackbody radiation? A. As energy is added to an object acting as a blackbody radiator, its emissions move to the ultraviolet part of the electromagnetic spectrum. B.

Is an engine-activated booster unit that reduces the effort required to apply the hydraulic brakes

A box is lowered using a rope. If the acceleration of the box, is 2.5 m/s2 (downward) and the tension in the rope is 31 N, what is the mass of the box (in kg) ?