Question

the relationship between the mass of a material and the amount of heat that i
You need to gather and analyze data to come up with answers to the question
Apply what you learned in grade 7 about doing simple investigations.
1. Start with your group's prediction below: 2 pts.
Prediction:
2. Below are some guides to help you with your task.
a. What are your variables? I pt. each
Independent variable:
Dependent variable:
Controlled variable (constant):
b. What materials are you going to use for your simple investigation? I pt.
c. What quantities are you going to measure for your data? I pt.​

Answer 1

Answer:

A boy of 1.5 metre tall runs with a speed of 3 metre per second along a straight path under a lamp hanging at a height of 3 metre,then

A)The shadow of his head moves uniformly with a speed of 3 m/s.

B)The shadow of his head moves uniformly with a speed of 4 m/s.