Energy changes in a system, and the ways energy is stored before and after such changes

EasyMedium
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Question 23
Medium
a.

State the equation that relates the kinetic energy (EkE_kEk​), mass (mmm), and speed (vvv) of an object.

[1]
b.

An automated delivery drone is cruising horizontally at a constant speed of 8.0 m/s8.0\text{ m/s}8.0 m/s. Given that the kinetic energy of the drone at this speed is 112 J112\text{ J}112 J, calculate its mass.

[3]

Energy changes in a system, and the ways energy is stored before and after such changes Questions

  1. GCSE
  2. /Physics
  3. /Energy changes in a system, and the ways energy is stored before and after such changes