You start pushing a suitcase full of clothes in the horizontal direction with a force of 25.0 newtons. The weight of the suitcas
1 answer:
Answer:
Distance traveled will be 5.6307 m
Explanation:
Time t = 3 sec
We have given force F = 25 N
We know that force is given by F = ma
So ma = 25 -----------eqn 1
Weight is given by W = 196 N
We know that weight is given by W = mg
So mg = 196 -----------------eqn 2
From equation 1 and equation 2
Initial velocity is given as 0 so u = 0 m/sec
From second equation of motion
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Answer:
1/2
Explanation:
The energy stored in a capacitor is given by
where
C is the capacitance
V is the potential difference
Calling the capacitance of capacitor 1 and
its potential difference, the energy stored in capacitor 1 is
For capacitor 2, we have:
- The capacitance is half that of capacitor 1:
- The voltage is twice the voltage of capacitor 1:
so the energy stored in capacitor 2 is
So the ratio between the two energies is
Answer:
<em>The penny will hit the ground at 6.39 seconds</em>
Explanation:
<u>Free Fall</u>
The penny is dropped from a height of y=200 m. The equation of the height on a free-fall motion is given by:
Where , and t is the time.
Solving for t:
Using the value y=200:
t=6.39 sec
The penny will hit the ground at 6.39 seconds
Force is the influence that is capable of bringing about motion
The correct options are;
1. C. The pull of the engine, friction force
2. A. Weight, push of the tracks against the wheel
3. D. The astronaut weighs the most on Earth and least on the Moon
4. Please see attached drawing for example
5. Please see attached drawing for example
6. The data points will fall along a line this that as the force increases, the acceleration increases
Reason:
1. The horizontal forces are the forces acting along the horizontal x-axis, therefore;
A train engine pulling a boxcar what horizontal forces are;
C. The pull of the engine, friction force
2. The vertical forces are the forces acting an the direction of the y-axis of a graph
The vertical forces present when a train pulls a boxcar are;
A. Weight, push of the tracks against the wheel
3. The weight of an astronaut, W = mass × Gravity
- Therefore, the weight increases with increasing acceleration due to gravity
Therefore, the least weight is on the moon, where acceleration due to gravity is 1.6 m/s², and most on Earth where the acceleration due to gravity is approximately 9.81 m/s²
- The correct option is D. The astronaut weighs the most on Earth and least on the Moon
4. The magnitude of the downward force is the sum of the vertical forces acting downwards
5. The net force is given by the vector sum of the forces
6. According to Newton's second law, Force, F = Mass, m × Acceleration, a
- Therefore, where the students conduct the experiments rightly, we have that the data points will fall along a line this that as the force increases, the acceleration increases
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