An object has a kinetic energy of 233 J and a momentum of magnitude 20.4 kg·m/s. Find the speed and the mass of the object.

Which stores water and other products inside plant cells? a.) mitochondrion b.) chloroplast c.) cell wall d.) central vacuole

Determine the time when the velocity of the particle is zero. express your answer to three significant figures and inc

You hang a tv on your wall. What kind of energy does it have? Kinetic energy Potential energy

Which model of the atom illustrated that an atom was a cloud of positive charge with electrons randomly embedded within it?

A 4.45 kg block of ice at 0.00? c falls into the ocean and melts. the average temperature of the ocean is 3.70? c, including all the deep water.

Which of the following determine an object's velocity? A. speed and direction B. direction and acceleration C. speed and mass D. speed, direction, and acceleration

The following statements regarding the exhaust gas recirculation (EGR) valve are all correct except: Low restriction exhaust systems will have no effect on EGR system operation. B.

A 10.0 V battery is connected to a 120-ohm resistor. Ignoring the internal resistance of the battery Calculate the power delivered to the resistor.

Hemoglobin (Hb) is the O2-carrying protein in our blood. Unlike myoglobin, it has four sites allowing it to bind up to four O2 molecules.

Why does the moon appear to change shape? A: It rotates and makes it own light B: It moves closer and farther away from the earth in a yearly pattern. C: It reflects sunlight as it revolves around the earth.