Answer:
A voltmeter measures the potential difference (or voltage) across a circuit element.
An ammeter measures the electric current across a circuit element.
Explanation:
This because a voltmeter is an electric device use to measure voltage or potential difference in a circuit. It is connected parallel to a device in the circuit. voltage is measure in volts.
An ammeter is an electric device that is use to measure currents in a circuit even to the smallest part of current. Current is measure in Ampere and ammeter is connected in direct series to a device in a circuit.
Answer:
<u>According </u><u>to</u><u> the</u><u> </u><u>Given</u><u> Statement</u><u> </u>
Canon fires directly upwarda at 150m/s ( Initial speed, u )
Acceleration due to gravity is 10m/s²
Since Cannon ball reach it maximum height so its final velocity v will be 0 m/s .
Using Kinematic Equation
On substituting the value we get
➥ 0 = 150 + 10 × t
➥ 150 = 10 × t
➥ 150/10 = t
➥ 15 s = t
So, it will take 15 seconds .
Answer:
D
Explanation:
It is the arrow pointing to the left
The arrow pointing to the left, because it points towards the center of the path and the motion is moving counterclockwise.
Answer:
x(t) = -3sin2t
Explanation:
Given that
Spring force of, W = 720 N
Extension of the spring, s = 4 m
Attached mass to the spring, m = 45 kg
Velocity of, v = 6 m/s
The proper calculation is attached via the image below.
Final solution is x(t) = -3.sin2t