A scientist uses a camera to study the stars. How would the scientist most likely use this technology?

-to replace all of the old data about stars

-to predict the star count over a broad area

-to write observations about what the sky looks like

-to count the number of visible stars in the sky

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

In addition to gravity, what is the other predominant force that affects the motion of a pendulum?

(8%) problem 12. a bowling ball of mass mb 3 kg 's rolled down the lane with a velocity ofy-2/ m s lt strikes a single remaining pin mp 0.93 kg head on. after the collision the bowling ball has a velocity (in the same direction) of v2 1.1 m/s. = ▲ 33% part (a) write an expression for the velocity of pin in the horizontal direction after the impact, im ,, 33% part (b) what is the pins speed in ms? 33% part (c) assuming the coefficient of friction s μ,-0.1. how far in meters could the pin slide before stopping if it doesn't topple?