DP Physics (first assessment 2025)
Question 23M.1A.SL.TZ1.9
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1A.SL.TZ1.9 |
Level | SL | Paper | 1A | Time zone | TZ1 |
Command term | Question number | 9 | Adapted from | N/A |
9.
[Maximum mark: 1]
23M.1A.SL.TZ1.9
The input power of an electric motor is 200 W. It is used to raise a mass of 10 kg at constant speed.
If the efficiency of the motor is 40 %, through what height will the mass be raised in 1 second?
A. 0.5 m
B. 0.8 m
C. 1.2 m
D. 2.0 m
[1]
Markscheme
B