Which of the following would be considered a derived unit? watt

gram

centimeter

millisecond

Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the “catch position” simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?