Explanation:
Parameters
Number of oscillation = 40 oscillations
Time of oscillation = 128s
Formular
Period (T) = <u>No of oscillation</u>
Time taken
T = <u>128</u>
40
T=3.2s
Answer:
42.5mph
Explanation:
The computation of the average speed is shown below:
As we know that
Speed = Distance ÷ Time
ANd, distance = Speed × time
So, the distance would be
= (50 × 5 hours) + (30 × 3)
= 250 + 90
= 340 miles
And, the total time taken is 8 hours
So, the average speed is
= 340 miles ÷ 8 hours
= 42.5mph
Answer:
Velocity of the first car after the collision, 
Explanation:
It is given that,
Mass of the car, 
Initial speed of the car, 
Mass of another car, 
Initial speed of the second car, 
New speed of the second car, 
Let 
is the final speed of the first car after the collision. The total momentum of the system remains conserved, Using the conservation of momentum to find it as :
So, the velocity of the first car after the collision is 8.93 m/s. Hence, this is the required solution.
Answer:
Batteries use chemistry, in the form of chemical potential, to store energy, just like many other everyday energy sources. For example, logs store energy in their chemical bonds until burning converts the energy to heat.
Explanation:
Answer:
Yes, it is possible for dogs to be grey
Explanation:
Whippets are gray and they are a type of dog
