8 (3b + 3) = 5b + 5

Which is an example of potential energy? a a car driving on the road b a swimmer kicking their legs c a yo-yo in someone's hand d an arrow flying at a target

Fish are not an excellent source of protein needed for good health. True False

A cube of mass m1 = 7.7 kg is sitting on top of another cube of the same size and mass m2 = 1.4 kg while they are both in free-fall.

Which is a characteristic of a step-up transformer? a:There are fewer loops in the secondary coil than in the primary coil. b:It converts direct current into alternating current.

A car turns into a driveway that slopes upward at a 9.0 ∘ angle. The car is moving at 7.5 m/s. If the driver lets the car coast, how far along the slope will the car roll before being instantaneously at rest and then starting to roll back?

What caused the solar system to form a disk?

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.

Which of the following equations are balanced correctly? A: Cu + H2O → CuO + H2 B: Zn + HCl → ZnCl2 + H2 C: 2C4H10 + 13O2 → 8CO2 + 10H2O D: 2Ag2O → 4Ag + O2