Discuss a physical activity that benefits muscular strength and describe at least two other benefits of performing this activity.

Before the car starts, the driver and all the passengers should always: adjust the position of their seats buckle and adjust their seatbelts turn on the radio none of the above

What causes the mechanical advantage of the inclined plane to be less than that of the lever

A wave on a string is reflected from a fixed end. The reflected wave 1. Is in phase with the original wave at the end. 2. Has a larger speed than the original wave. 3. Is 180◦ out of phase with the original wave at the end. 4. Cannot be transverse.

A powered winch is used to pull a sailboat to shore. The winch uses a 900 W motor. If the motor is used for 30 s, how much work does it do? (Power: P = W/t)

Calculate the horizontal projectile range with the cannon elevated 6m above the x-axis, with an initial speed of 14 m/s and an initial launch angle of 14 degrees.

Which type of electromagnetic radiation carries the most energy and has the highest frequency?

If a photon has a frequency of 5.20 * 10ÜÊ hertz, what is the energy of the photon? Given: Planck's constant is 6.63 * 10È³Ê joule·seconds. a-3.45x10^-19 b-7.91x10^-16 c-4.32x10^-14 d-3.43x10^-14

Which action will slow down the rate of a reaction

You are racing your dog next to a football field. You run from the 10 yard line to the 50 yard line, then turn around and run back to the 30 yard line. What is your distance? What is your displacement?

Which of the following statements about degeneracy pressure is not true? a) Black holes form when gravity overcomes neutron degeneracy pressure. b) Degeneracy pressure arises from a quantum mechanical effect that we don't notice in our daily lives.