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ANTONII [103]
3 years ago
15

A load of 500 N is placed 8 N from the pivot what is the turning moment of the load

Physics
1 answer:
Nataliya [291]3 years ago
6 0
The answer is 4000N...
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Order the sequence of ideas that led to Marie Curie’s discovery of radioactive elements. Number the events in chronological orde
Marysya12 [62]

Answer:

2 1 3

Explanation:

6 0
3 years ago
A 7750 kg space probe, moving nose-first toward Jupiter at 179 m/s relative to the Sun, fires its rocket engine, ejecting 72.0 k
Reika [66]

Answer:

179.47m/s

Explanation:

Using the law of conservation of momentum

m1u1 + m2u2 = (m1+m2)v

m1 and m2 are the masses

u1 and u2 are the initial velocities

v is the final velocity

Substitute

7750(179)+72(230) = (7750+72)v

1,387,250+16560 = 7822v

1,403,810 = 7822v

v = 1,403,810/7822

v= 179.47m/s

Hence the final velocity of the probe is 179.47m/s

7 0
2 years ago
1. A student practicing for a track meet ran 263 m in 30 sec. What was her average speed?
faltersainse [42]

Answer: By 47

Explanation: subtract 310 and 263

6 0
2 years ago
A pebble is dropped from rest from the top of a tall cliff and falls 53.4 m after 3.3 s has elapsed. How much farther does it dr
jeka94

Answer:

426.84 m

Explanation:

initial velocity u = 0

time t = 3.3 s

distance travelled s = 53.4 m

acceleration due to gravity = g

s = ut + 1/2 g t²

53.4 = 0 + 1/2 g x 3.3²

g = 9.8 m /s²

For the whole length of fall

distance travelled = h

total time = 6.6 + 3.3 = 9.9 s

h = ut + 1/2 g t²

u again = 0

h = .5 x 9.8 x 9.9²

= 480.24 m

distance travelled in last 6.6 s

= 480.24 - 53.4

= 426.84 m

6 0
2 years ago
A good refrigerant must have a high boiling point. Question 5 options: True False
Liono4ka [1.6K]

Answer:

true a good refrigiant needs a high boiling point

5 0
3 years ago
Read 2 more answers
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