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dybincka [34]
3 years ago
9

Nanotechnology _____.

Physics
2 answers:
Maurinko [17]3 years ago
6 0

Answer:

B is the answer :]

Explanation:

mojhsa [17]3 years ago
3 0

Answer:

B

Explanation:

please mark brainliest

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A spring with spring constant of 26 N/m is stretched 0.22 m from its equilibrium position. How much work must be done to stretch
Evgen [1.6K]

Answer:

1.503 J

Explanation:

Work done in stretching a spring = 1/2ke²

W = 1/2ke²........................... Equation 1

Where W = work done, k = spring constant, e = extension.

Given: k = 26 N/m, e = (0.22+0.12), = 0.34 m.

Substitute into equation 1

W = 1/2(26)(0.34²)

W = 13(0.1156)

W = 1.503 J.

Hence the work done to stretch it an additional 0.12 m = 1.503 J

8 0
3 years ago
states that the force times the distance on one side of a lever's fulcrum equals the force times the distance on the other side
andrey2020 [161]

Answer:

Explanation:

It is said to be in equilibrium about the fulcrum . It is the principle of moments.

3 0
3 years ago
What is the voltage drop across an alarm clock that is connected to a circuit with a current of 1.10A and a resistance of 90Ω?
vfiekz [6]

V = 99 volts

Explanation:

The voltage drop can be calculated using Ohm's law:

V = IR

= (1.10 A)(90 Ω)

= 99 volts

8 0
3 years ago
Carmen is helping load furniture and boxes onto a moving truck. She picks up boxes of her things, places them on a cart, and pus
SpyIntel [72]

Answer:

friction is the force she is useing

7 0
3 years ago
You are standing on the sidewalk, waiting to cross Michigan Street. A Toyota RAV4 (~2500 lbs) goes by at 30 MPH. Assuming you ar
Montano1993 [528]

Answer:

9.27\times 10^{4} Kg.m^{2}/s

Explanation:

Angular momentum is given by mvr where m is mass of the car, v is the speed of the car and r is the distance from the centre of the lane.

In this case, mass is 2500 lbs which to convert to Kg we multiply by 0.453592 hence 2500*0.453592=1133.98

Also, the speed we convert from mph to m/s by multiplying by 0.44704 hence 30*0.44704=13.4112 m/s

Finally, the distance given in ft is converted to m by multiplying it by 0.3048

The angular momentum will then be 1133.98*13.4112*20*0.3048\approx 9.27\times 10^{4} Kg.m^{2}/s

6 0
3 years ago
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