Answer: 22.5 km
Explanation: Solution:
v=d/t
Derive to find d
d= vt
= 45 km/h x 0.5 h
= 22.5 km
Cancel hours and the remaining unit is in km.
Answer:
206.85 kPa
Explanation:
Maximum pressure, p = 30 psi
To convert the pressure of psi units into Pa we use the following
1 psi = 6894.76 Pa
1 kPa = 1000 Pa
So, 1 psi = 6.895 kPa
So,
30 psi = 30 x 6.895 kPa = 206.85 kPa
Thus, 30 psi is equal to 206.85 kPa
Buckle and adjust their seatbelts
It allows the current flowing through it to be controlled. It allows it to flow and it can prevent it from flowing. This saves electricity.
Energy is always needed to preform anything, and chemical energy is one form of energy. Chemical energy is a part of chemical reactions because it involves teh chemicals.