The heating of groundwater forms
2 answers:
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Given :
Sally travels by car from one city to another. She drives for 30 min at 80 km/hr, 12.0 min at 105 km/hr, and 45 min at 40.0 km/hr.
To Find :
The total distance traveled.
Solution :
Total distance traveled is given as sum :
Distance = sum of product of speed and time
D = (v₁ × t₁) + (v₂ × t₂) + (v₃ × t₃)
Putting all given value in this we get :
Hence, this is the required solution.
Answer:
8.929kg
Explanation:
The work done to place the box at tree house=350 J.
The distance from ground to tree house =4.0 m and
Hence the mass of the box is 8.929kg
Since the motor cycle was moving at 36 m/s before the brakes were applied, the initial velocity
The motorcycle traveled 23m before stopping, that means
Since the motorcycle stopped moving the final velocity is zero.
We can use this 'suvat' equation of linear motion.
Plugging in the above values gives,
We can use the equation
to find the time the motorcycle took to stop.
The motorcycle traveled 23m before stopping, that means
Since the motorcycle stopped moving the final velocity is zero.
We can use this 'suvat' equation of linear motion.
Plugging in the above values gives,
We can use the equation
to find the time the motorcycle took to stop.