Which is a harmful role of bacteria of bacteria?

873 gal/day to qt/min

Where in a river would you find fish that are adapted to low light and low oxygen levels? at the source in the midriver near the mouth No place in the river is characterized like this.

calculate the force exerted on a rocket given that the propelling gases are expelled at a rate of 1500 kg/s with a speed of 4.0x10^4 (at the moment of take off)

A loop of current-carrying wire has a magnetic dipole moment of 5.0 x 10-4 A·m2. The moment initially is aligned with a 0.50-T magnetic field.

Inertia is the tendency of an object to resist any change in its motion. true or false.

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.