The answer is 17 m because you have to add the 15 m and the 8 m together to get the answer so it will be like this 17x17 = 15x15 + 8x8 got it?
A scalar is something that only has speed without a DIRECTION while a vector has direction. acceleration is a vector and mass is a scalar.
Answer:
I HOPE THIS IS CORRECT
Explanation:
It is heated from 20°C to 80°C. We need to find the heat absorbed. It can be given by the formula as follows : So, 1386 J of heat is absorbed.
Answer:
The value is 
Explanation:
From the question we are told that
The height is 
The time taken is
From the equation of motion we have that

Here u = 0 because the rocket started at rest

=> 
=> 
Also from the kinematic equation we have that

=> 
=> 