Answer: The entangled players would move with a speed of 0.2 m/s in the direction direction of the motion of second soccer player.
Explanation:
From law of conservation of momentum,
Initial momentum of the closed system = final momentum of the closed system
Since, no external force is acting on the players, total momentum would be conserved.
m₁u₁+m₂u₂=(m₁+m₂)v
where, m₁ is the mass of one soccer player = 40 kg
u₁ is its initial velocity before collision = 4 m/s
m₂ is the mass of the other soccer player = 60 kg
u₂ is the initial velocity before collision = - 3 m/s (∵opposite direction)
After collision, the two players get entangled and hence move with the same final velocity v.
40 kg × 4 m/s - 60 kg × 3 m/s = (40 kg + 60 kg ) v
160 kg m/s - 180 kg m/s = 100 kg v
v = -0.2 m/s
Hence, the entangled players would move with a speed of 0.2 m/s in the direction direction of the motion of second soccer player.
o temperature and pressure
only pressure
o only temperature
Answer:
Temperature and Pressure
Explanation:
Both temperature and pressure determine the volume of a gas in a closed container
Answer: The acceleration is 145.54 m/s^2
Explanation: The second Newton's law says that:
F = m*a
This says that the Force applied on an object is equal to the mass of the object times the acceleration of the object.
We know that the mass of the ball is 0.426kg and the force is 62N, so we have
62N = 0.426kg*a
a=62N/0.426kg= 145.54 m/s^2
62/.426=a
154.54= acceleration
Answer:
the plates from sink go to hot water then =clean
Explanation:
a butterfly has a wingspan of 66mm and a height of 6cm which i greater its wingspan or its height
Answer: 6.67 m/s
Explanation:
Recall that average speed is the total distance covered by a moving body divided by the total time taken. The SI unit is metres per second.
i.e Average speed = distance/time taken
Given that:
Distance covered = 6.00 km
Convert kilometers to meters
If 1 km = 1000 m
6.00 km = (6.00 x 1000) = 6000m
Time taken to school = 0.250 hours
Convert time in hours to seconds
If 1 hour = 60 minutes & 1 minute = 60 seconds
Then, 0.250 hours = (0.250 x 60 x 60)
= 900 seconds
Average speed = ?
Average speed = 6000m/900s
= 6.67 m/s
Thus, your average speed to school is 6.67 m/s