which of the following objects can you use to roughly visualize a length of 1 meter ? the length of an ant on a sidewalk? the length of a 2 liter bottle of soda pop? the height of a kitchen counter? the length of a football field?

You are riding in a hot air balloon that, relative to the ground, has a velocity of 6.0 m/s due east. You see a hawk moving directly away from the balloon with a velocity relative to you of 2.0 m/s due north.

Determination of Thermal Conductivity. In determining the thermal conductivity of an insulating material, the temperatures were measured on both sides of a flat slab of 25 mm of the material and were 318.4 and 303.2 K.

A Wave a of 350 Hz husa 39m. What is the velocity of the wave?

The difference between heat and temperature

What kind of relationship is it when a tree needs fungus to be present to grow normally

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) ?