Answer: D. ➡️⬅️
Explanation: I just knew the answer ;)
Answer:
40sec
Explanation:
Data
Work = 440 J
Power= 11watt
time = ?
Power = work done/time
===> time = work done/power
= 440/11
= 40sec
Answer:
(a) θ = 33.86°
(b) Ay = 49.92 N
Explanation:
You have that the magnitude of a vector is A = 89.6 N
The x component of such a vector is Ax = 74.4 N
(a) To find the angle between the vector and the x axis you use the following formula for the calculation of the x component of a vector:
(1)
Ax: x component of vector A
A: magnitude of vector A
θ: angle between vector A and the x axis
You solve the equation (1) for θ, by using the inverse of cosine function:
the angle between the A vector and the x axis is 33.86°
(b) The y component of the vector is given by:
the y comonent of the vecor is Ay = 49.92 N
Answer:
V = 50 volts
Explanation:
Given that,
Resistance, R = 10 ohms
Current, I = 5 A
We need to find the potential difference across the circuit. We know that,
V = IR
Put all the values,
V = 5 × 10
V = 50 volts
Hence, the potential difference is equal to 50 volts.
Answer:
The distance in kilometers is 4012 × km.
Explanation:
We know that the conversion of 1 millimeters is equal to meter. And then the conversion of 1 meter is equal to km. Then the conversion of 1 millimeter to km will be
1 mm = m
1 m = km
So, 1 mm = × km = km.
As here the the distance is 4012 mm, then the distance in km will be
4012 mm = 4012 × km.
So the distance is 4012 × km.