Type of lens used by watch repairers

concave or convex

Projectile motion in a sentence?

Which one correctly lists the levels of organization from most basic to most complex? A. cell, organ, tissue, organ system, organism B. organism, organ, cell, tissue, organ system C. cell, tissue, organ, organ system, organism

How did Kepler improve on Copernicus's model?

A carbon-12 atom has a mass defect of 0.09564 amu. What is its nuclear binding energy? x 10 J per carbon-12 atom.

A ball is thrown straight up at an initial speed of 9.8m/s and, on returning to your hand, hits it moving downward at the same speed. If the whole trip took 2.0s, determine the ball's (a) average acceleration and (b) average velocity.

How long can you keep string cheese in the fridge?

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?

Choose all that represent ways that Venus is different than Earth. a. The atmosphere of Earth is thicker than Venus b. Only Earth's atmosphere traps heat c. The atmosphere of Venus is thicker than Earth's. d.