10-When a car driver sees an emergency ahead, he applies the brakes. During his reaction time the cartravels at a steady speed and covers a distance known as the thinking distance. The braking distance is thedistance travelled by the car after the brakes are applied.(a)State the energy change that occurs as the car brakes. [2](b)Fig. 9.1 shows the speed-time graph of a car. The driver sees the emergency at time t = 0.The total mass of the car is 800 kg find the thinking distance
braking distance and
the deceleration of the car during braking,

(iv) the force provided by the brakes.
(c) Using ideas about friction and deceleration, state and explain how the braking distance is affected by
(i) using new tyres rather than badly worn tyres, .

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?

Which composition of water moves to begin a deepwater current?