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Mnenie [13.5K]
3 years ago
9

if the force moving an object points at least partially in the positive direction of the objects motion the work is considered t

o be
Physics
1 answer:
jasenka [17]3 years ago
8 0

Answer:

the work done can be positive or negative  

Explanation:

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190 km = __m
USPshnik [31]

Answer:

190 000 m

Explanation:

1km = 1000m

--> 190 km = 190 x 1000 = 190 000 m

5 0
4 years ago
A 0.150-kg cart that is attached to an ideal spring with a force constant (spring constant) of 3.58 N/m undergoes simple harmoni
SVETLANKA909090 [29]

Answer:

E = 0.01 J

Explanation:

Given that,

The mass of the cart, m = 0.15 kg

The force constant of the spring, k = 3.58 N/m

The amplitude of the oscillations, A = 7.5 cm = 0.075 m

We need to find the total mechanical energy of the system. It can be given by the formula as follows :

E=\dfrac{1}{2}kA^2

Put all the values,

E=\dfrac{1}{2}\times 3.58\times (0.075)^2\\\\=0.01\ J

So, the value of total mechanical energy is equal to 0.01 J.

3 0
3 years ago
If a wavelength frequency of 5 Hz and a wavelength is 100 m what is the speed
Nuetrik [128]

Speed of a wave = (wavelength) x (frequency)

Speed of this wave = (100 m) x (5 / sec)

<em>Speed = 500 m/s</em>   (about  1,118 miles per hour)

8 0
4 years ago
Which wave shown has more energy?
Leviafan [203]

Answer:

1

Explanation:

it go up than down than up

5 0
3 years ago
Read 2 more answers
Kg. m
Irina18 [472]

Answer: 0.00211

Explanation:

7 0
3 years ago
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