its either true or false not sure which one i just know it one of those 2
Answer:
0.55 m/s
Explanation:
Parameters given:
Mass of lighter car, m = 1400 kg
Mass of heavier car, M = 1850 kg
Initial speed of lighter car, u = -1.10 m/s (since it's moving to the left)
Initial speed of heavier car, U = 1.5 m/s
Final sped of heavier car, V = 0.25 m/s
Using the principle of conservation of momentum, total initial momentum is equal to total final momentum:
m*u + M*U = m*v + M*V
Inputting the values:
(1400 * -1.1) + (1850 * 1.5) = (1400 * v) + (1850 * 0.25)
-1540 + 2775 = 1400v + 462.5
1235 = 1400v + 462.5
1400v = 772.5
v = 772.5/1400
v = 0.55 m/s
It would be the temperature of her hand and also because it is going through the process of the water cycle it is changing from a solid to a liquid
Answer:
27.336
Explanation:
The atomic mass is the weighted average of the atomic masses of the isotopes. Simply multiply each isotopes's atomic mass by its relative abundance, then sum the results.
m = 0.8233 × 26.975 + 0.1767 × 29.018
m = 27.336
Answer:
Current = 6.82 A
Explanation:
Given the following data;
Power = 1500 Watts.
Voltage = 220 Volts.
To find the current;
Power = current * voltage
Substituting into the equation, we have;
1500 = current * 220
Current = 1500/220
Current = 6.82 Amperes.
Therefore, the current that traverses it is 6.82 Amperes.
