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how do you calculate the recoil velocity of a bullet fired?
1 answer
110 views
Question 2 A bullet of mass 0.03 kg is fired from a rifle of mass 5 kg at a speed of 250 m/s. Before the bullet is fired, the
1 answer
198 views
A bullet of mass 0.03 kg is fired from a rifle of mass 5 kg at a speed of 250 m/s. Before the bullet is fired, the initial
1 answer
197 views
Someone has a mass of 100kg and runs at 5m/s to the right. Their sister has a mass of 50kg and runs 7m/s to the left. What is
1 answer
146 views
how do you calculate the total momentum of 2 people moving?
1 answer
85 views
What does the term 'oxygen debt' mean?
a) The amount of extra oxygen your body needs after exercise b) The amount of extra carbon
0 answers
139 views
Which part of a report do you write what you found out from the experiment?
a) Results Table b) Conclusion c) Hypothesis d)
0 answers
122 views
what happens when potassium reacts with acid?
1 answer
99 views
what volume of 0.1mol dm-3 acid is needed to turn 25cm3 of sodium hydroxide to ph 7
1 answer
171 views
a) explain the shape of the graph in terms of the forces acting on the ball. (5 marks)
figure one shows a steel ball being
0 answers
161 views
The elephant has a weight of 20kN. What is the reaction force?
1 answer
101 views
In deep Space an object will continue to move in a straight line at constant speed because...
a) The forces acting are negligible
1 answer
192 views
According to Newton's 1st law what happens to a stationary object when a resultant force is applied to it?
a) It accelerates in
1 answer
151 views
According to newton's 1st law, does a stationary object accelerate or maintain a constant velocity when a resultant force is
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128 views
According to Newton's 1st law what happens to a stationary object when a resultant force is applied to it?
a) It accelerates in
1 answer
258 views
a
11 answers
333 views
an object is launched vertically in the air at 29.4 meters per second from 10 meter tall platform . find its maximum height in
0 answers
797 views
an object is launched vertically in the air at 29.4 meters per second from 10 meter tall platform . find its maximum height in
0 answers
823 views
A ball,500g,thrown upward at 20 m\s reaches an elevation of 15m.how much energy is lost.
1 answer
449 views
A classroom test that measures appropriate knowledge and/or skills is likely to be reliable because of the strong link between
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923 views
Answers (2)
i think he was calm.Having read the whole passasge,i think samsa is a calm and restrained person and a slave to work.
WEH TAK DAPAT JAWAPAN LAGII JAWAB LA KAN HAHAHAHAHHA