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Kobotan [32]
3 years ago
8

Forces holding particles together are strongest in a

Physics
1 answer:
Juli2301 [7.4K]3 years ago
7 0
The answer may be pair or group
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A golf club hits a 0.0459 kg golf ball at rest; the club is in contact with the ball for 0.00138 s. Afterwards the ball leaves a
Advocard [28]

Answer: 2120 N is correct

Explanation: correct answer for acellus

7 0
3 years ago
A person walks into a room that has, on opposite walls, two plane mirrors producing multiple images. Find the distances from the
Lapatulllka [165]

Answer:13.2,41.4,82.8 ft

Explanation:

Given Person is 6.60 ft from the left hand side mirror

Since the focal length of plane mirror is infinity therefore image and object are equidistant from mirror

Distance of first image on  left mirror is

d_1=6.6+6.6=13.2 ft

i.e. image is 13.2 ft away from object

Second image

Now the right mirror forms the image of object at distance of 14.1 ft right from right mirror so its image is formed in left mirror at a distance of 34.8 from left mirror

so image distance from person is

d_2=34.8+6.6=41.4 ft

Third image now form image of second image is formed on right mirror at a distance of 55.5 right from right mirror

and its mirror image is formed on left mirror at a distance of  76.2 left

from left mirror

d_3=76.2+6.6=82.8 ft

     

8 0
3 years ago
What type of heat do we get from sun
seraphim [82]
The type of heat that the Sun emits is called UV (Ultra Violet) rays. This is a natural type of heat, but it can also be dangerous if you expose yourself to too much UV heat, causing "sunburns", or even skin cancer.
5 0
4 years ago
Read 2 more answers
What is the average speed of a train that travels at 100km/hr for 6 hours and then 120km/hr for 5 hours
Sindrei [870]

Answer:

Explanation:

Average speed = Total distance / Total time.

100 km/hr

r = 100 km / hr

t = 6 hours

d = 6 * 100 = 600 km

120 km / hr

r = 120 km / hr

t = 5 hour

d = 120 * 5

d = 600 km

Total distance = 600 + 600 = 1200 km

Total time = 5 hour + 6 hours = 11 hours.

Average speed = 1200 km / 11 hours = 109.1

5 0
3 years ago
The flash unit in a camera uses a special circuit to "step up" the 3.0 V from the batteries to 290 V, which charges a capacitor.
Margaret [11]

Answer:

Therefore the capacitance of the capacitor is 2.38 * 10⁻⁵F

Explanation:

We apply the concepts related to Power and energy stored in a capacitor.

By definition we know that power is represented as

P = \frac{E}{t}

Where,

E= Energy

t = time

to find the Energy we have,

E = P*t

P = 1*10^5Wt = 10*10^{-6}s

E= (1*10^5)(10*10^{-6})E = 1.0J

With the energy found we can know calculate the Capacitance in a capacitor through the energy for capacitor equation, that is

E=\frac{1}{2}CV^2

C = \frac{2E}{V^2}\\\\\\\frac{2\times 1 }{290^2 - 3^2\\} \\= 2.38 \times 10^-^5F

Therefore the capacitance of the capacitor is 2.38 * 10⁻⁵F

3 0
3 years ago
Read 2 more answers
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