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Fofino [41]
3 years ago
5

If it requires 7.0 j of work to stretch a particular spring by 2.1 cm from its equilibrium length, how much more work will be re

quired to stretch it an additional 3.5 cm ?
Physics
1 answer:
SVEN [57.7K]3 years ago
8 0
4.6 j more. To get this take 7 and multiply it by 3.5 to get 24.5 take the x which is what you’re looking for and multiply it by the 2.1 to get 2.1x. Take 24.5 and divide it by 2.1 x and get 11.6. Subtract 11.6 by 7 and get 4.6
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If A and B are two objects with masses 6 kg and 34 kg respectively then
Mademuasel [1]

Answer:

the object B has more mass (= 34 kg) than the object A (= 6 kg)................................ ᕦ( ᐛ )ᕡ

4 0
3 years ago
Two fish swimming in a river have the following equations of motion:
IRINA_888 [86]

Answer:

The second fish, X2, is moving faster than the first fish, X1

Explanation:

The given parameters for the equation of motion of the fishes are;

X1 = -6.4 m + (-1.2 m/s)×t

X2 = 1.3 m + (-2.7 m/s)×t

The given equation are straight line equations in the slope and intercept form, where the slope is the speed and in m/s and the intercept is the starting point of swimming of the fishes

For the first fish, the intercept = -6.4 m, the slope = the  speed = -1.2 m/s

For the second fish, the intercept = 1.3 m, the slope = the  speed = -2.7 m/s

Whereby the fishes are swimming in the opposite direction of the measurement of length, we have;

The magnitude of the speed of the second fish \left | -2.7 \ m/s \right | = 2.7 \ m/s, is larger than the magnitude of the speed of the first fish \left | -1.2 \ m/s \right | = 1.2 \ m/s

Therefore, the second fish, X2, is moving faster than the first fish, X1.

8 0
3 years ago
A cube, whose edges are aligned with the , and axes, has a side length . The field is immersed in an electric field aligned with
Ivenika [448]

Complete Question

Complete Question is attached below

Answer:

q=1.558*10^{-9}c

Explanation:

From the question we are told that:

Side length s=1.13m

Left field strength E_l=784.75N/m

Right field strength E_r=776.38 N/m

Front field strength E_f=725.5 N/m

Back field strength E_b=749.54 N/m

Top field strength E_t=944.95 N/m

Bottom field strength E_{bo}=1082.58 N/m

Generally, the equation for  Charge flux is mathematically given by

\phi=EAcos\theta

Where

Theta for Right,Left,Front and Back are at an angle 90

cos 90=0

Therefore

\phi =0 with respect to Right,Left,Front and Back

Generally, the equation for  Charge Flux is mathematically also given by

\phi=\frac{q}{e_o}

Where

Area =L*B\\\\A=1.13*1.13\\\\A=1.2769m^2

Therefore

Q_{net}=E_{bo}Acos\theta_{bo} +E_tAcos\theta_t

Q_{net}=1082.85*1.2769*cos0=944.95*1.2769cos (180)

Q_{net}=176N/C m^2

Giving

q=\phi*e_0

q=176N/C m^2*1.558*10^{-12}c

q=1.558*10^{-9}c

4 0
3 years ago
Vector sum of 15 m, East and 9 m, West is 24 m, East. True False
Firlakuza [10]

Answer:

False

Explanation:

Because when you go through east

( +x axis ) then you go to west ( -x axis )

You will subtract -9 from +15

it's become +6

( I talk about the displacement not distance) ( West = - East )

I hope that it's a clear ") .

7 0
3 years ago
Read 2 more answers
Ten seconds after starting from rest, a freely-falling object will have a speed of about ________________________
yaroslaw [1]

Answer:

100 m/s

Explanation:

Speed increases at a rate of 10 m/s (actually 9.8 m/s) every second. Thus after 10 seconds, the speed is 10 x 10 = 100 m/s.

6 0
3 years ago
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