A test taker makes an estimate for a 30-second time interval. The estimate is 34.5 seconds. What is the percent error in this example?

brakes of your bicycle have failed, and you must choose between slamming into either a The rack or a concrete wall.

A 6.7 kg object moves with a velocity of 8 m/s. What's its kinetic energy? A. 26.8 J B. 214.4 J C. 167.5 J D. 53.6 J

A battery is used to charge a parallel combination of two identical capacitors. if the potential difference across the battery terminals is v and total charge q flows through the battery during the charging process then the charge on the positive

An ant sits on the back of a mouse. The mouse carries the ant across the floor for a distance of 10 m. Was there work done by the mouse? Explain.

Which form of radioactive decay would you be most likely to detect if it was happening in the room next to the one you are currently in?

By applying a force of 50N, a pulley system can lift a box with a mass of 20 kg. What is the mechanical advantage of the pulley system?

Three capacitors C1 = 10.1 µF, C2 = 23.0 µF, and C3 = 29.4 µF are connected in series. To avoid breakdown of the capacitors, the maximum potential difference to which any of them can be individually charged is 125 V.

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?

If the loop is then converted into a rectangular loop measuring 2.1cm on its shortest side in 6.50ms, and the average emf induced across the loop is 14.7V during this time period, what is A. the strength of the B-field