Answer:
Explanation:
ASSUMING the defender at 5 m is NOT the goalie.
the ball horizontal velocity is 5 m/0.5 s = 10 m/s
The goalie, presumably at the goal line, has 15 m / 10 m/s = 1.5 s to react and move to the ball position.
Must be little league soccer as 10 m/s is a rather wimpy soccer ball speed.
Answer:
If you haven’t read about the shark found swimming in and out of a segment of an undersea volcano, then you really need to get up to date.
Explanation:
Answer: 1.7m/s^2
Explanation:
Given that:
mass of object = 10.9 kg
force = 18.53
Acceleration of the object = ?
Since force is the product of the mass of an object and the acceleration by which it moves.
i.e Force = mass x acceleration
18.53 N = 10.9 kg x acceleration
Acceleration = (18.53 N / 10.9 kg)
Acceleration = 1.7m/s^2
Thus, the acceleration of the object is 1.7m/s^2
Answer:
a. The desk seat will push back on the bottom (reaction force).
b. baseball hit the bat (reaction force)
c. The phone screen presses on your finger (reaction force).
Explanation:
The third law of Isaac Newton explains that, to every force, there is an equal and opposite force. The initial force is called the ACTION FORCE while the opposite force is called the REACTION FORCE. The reaction force for the following action forces in this question are:
- Your bottom pushing on your desk seat (action force)- The desk seat will push back on the bottom (reaction force).
- A bat hitting a baseball (action force) - baseball hit the bat (reaction force)
- Your finger pressing on your phone screen while texting (action force) - The phone screen presses on your finger (reaction force).