The speed of the car changes from 12 metre per square to 24 metre per square in 1 minute the magnitude of acceleration of the car is a) Zero B) 0.25 metre square c) 1:13 m/s^2 d.)

1:5m/s^2

A 100 kg individual consumes 1200 kcal of food energy a day. Calculate (a) the altitude change, in m, if the food energy content was converted entirely into lifting the indi- vidual under normal earth gravity.

The nucleus contains The energy production mechanism of the cell The digestion center for the cell The information to run the cell The glue that holds the cell together

Where is the location of a proton, and neutron?

How does critical mass play a role in nuclear reactions? It is the minimum amount of material needed to start a fission reaction. It is the minimum amount of material needed to start a fusion reaction.

Which example most effectively illustrates the dual nature of light? a. cameras that use photographic film b. solar panels c. radio antennas d. burglar alarms Must be sure about your answer

A cyclist starts at a position of 0 m and takes 3 s to move east to a position of + 8 m. He then cycles west to a position of + 5 m which takes an additional 2 s. What is the cyclist's displacement? a. + 11mb. - 8mc. - 5m d. + 5m

What happens when you shoot a bullet into the sky?

If you want to lift a 5-kg box to a height of 2 meters, how much work must be done? O A. 2J O B. 50 J O C. 98 J O D. 100

A diver initially moving horizontally with speed v dives dives offthe edge of a vertical cliff and lands in the water a distance dfrom the base of the cliff.

What is the Isotope notation for a Lithium atom?