A car goes around a curve at 40 m/s. An accelerometer in the car measures the centripetal acceleration of a 2 kg body in the car to be 8 m/s2 . The radius of the curve is __________
Fill in the blank(s) with correct word
200 m
Physics & Space Science
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Why do many people think stars are not in the sky during the daytime?
What will be an ideal response?
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A racecar driver steps on the gas, and his racecar travels 20 meters in 2 seconds starting from rest. The acceleration of the racecar is 5 m/s2
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
Write 0.000852 in standard powers-of-10 notation
Physics & Space Science
A thin uncharged conducting spherical shell has a charge q carefully placed at its center through a small hole in the shell. The charge q does not touch the shell. What is the charge on the shell?
a. 2q c. q b. 0 d. -q
Physics & Space Science