In A boat race, Dan drove his motorboat over the 1000-meter course from start to finish in 40 seconds. What was Dan's average speed during the race?

Carry out the following multiplication (1.38 x 10^2) (2.58 x 10^-7)

Frieda stands on a hill with a slope of 23 degrees. If her mass is 59 kg, what is the magnitude of the normal force acting on her? A. 532 N B. 578 N C. 419 N D. 226 N

When you drop a rubber ball on the floor it bounces almost to its original height. what causes the ball to bounce?

When a capacitor, battery, and resistor are connected in series, does the resistor affect the maximum charge stored on the capacitor? Why or why not? What purpose does the resistor serve?

Jesse is swinging miguel in a circle at a tangential speed of 3.50 m/s. if the radius of the circle is 0.600 m and miguel has a mass of 11.0 kg, what is the centripetal force on miguel? round to the nearest whole number.

Archimedes tells us the lifting power of a balloon (how much mass it can lift) is equal to the difference between the mass of the balloon and the mass of the air it displaces.

What are the parts of a pendulum? Describe each part.

Why do space suits need to be pressurized?

Why do comets have tails?

The main characteristic of all vertebrates is the presence of a. cartilage b. a large brain c. a backbone d. an exoskeleton I got it. The answer was B