A school bus of mass 2200 kg is driving at 20 m/s when it hits a patch of ice. The driver panics and slams on the brakes (locking the wheels). The coefficient of kinetic friction between ice and the rubber
tires is 0.24.
a) What is force of Kinetic Friction between ice and the rubber tires?
[2A)
b) What is the value of deceleration of the bus?
[2A]
(3A]
c) How long does it take the bus to stop?
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Alow cost, low earth orbit (leo) satellite is to be fabricated at a university, for subsequent launch by rocket. what are the constraints and objectives for selection of a material suitable for the satellite bus (i.e. the structure)? explain each in brief. (15 marks) b)suggest sources of data which could support the selection of materials for applications in space. (5 marks) c) set weights for the objectives listed in (2a) using the digital logic method. (5 marks)

Match each scenario to the form of energy it represents

Based on this activity, is kinetic energy always transformed into potential energy?