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kenny6666 [7]
3 years ago
8

Which type of reaction is shown below?

Physics
1 answer:
ICE Princess25 [194]3 years ago
8 0
I think the answer would be C
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Can someone help me plz
yKpoI14uk [10]
The height increases (c)
5 0
3 years ago
A 6kg rock rolls down a hill with a momentum of 12kg m/s . Work out the velocity of the rock
Nat2105 [25]

Answer:

if you need to get the work=force×displacement or if you need the velocity=displacement÷time taken

7 0
2 years ago
Read 2 more answers
How do you solve e from the equation f=e/s
Andrej [43]
1738 Fetty wap bhsyfnd hdnchd hand hdnzudnusjd jdnshdkdndb hdkcnd
7 0
3 years ago
Name:
Brums [2.3K]

Answer:

1.a) 1 kJ

1.b) 4 kJ

     ratio 1:4

1.c) 4 times as before

2.a)  3.33 m/s2

Explanation:

1.a) bicycle's velocity =Displacement/time

                                   =100/20 m/s

                                   =5 m/s

bicycler's KE =1/2 *mass*(velocity)^2

                      =1/2*80*5^2

                       =1000 J = 1 kJ

1.b) bicycle's new velocity =200/20 m/s

                                   =10 m/s

bicycler's new KE =1/2*80*10^2

                             =4000 J = 4 kJ

Ratio= KE 1 :KE new

        = 1 :4

1.c)  when bicycler's speed was doubled it increased the KE by 4 times (2^2). because In KE we consider the square of the speed , so the factor we increase the speed , the KE will get increased with the square value of it

ex : speed is triple the prior value , then the KE is as 3^2 times as before. that is 9 times

2.a) car acceleration = (20-0)/6 m/s2

                                  = 3.33 m/s2

4 0
3 years ago
As objects grow farther apart, what happens to the force of gravity between them?
Papessa [141]
It decreses Decreases
8 0
3 years ago
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