The tangential velocity of the car is 124.5 m/s
Explanation:
The centripetal acceleration of an object in uniform circular motion is given by:
where
a is the acceleration
v is the tangential velocity
r is the radius of the circle
For the car in this problem, we have:
is the centripetal acceleration
r = 155 m is the radius of the turn
Solving for v, we find the tangential velocity of the car:
Learn more about centripetal acceleration:
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Answer:
The acceleration of the laundry cart is 13.3 m/s²
Explanation:
Hi there!
According to Newton's second law, the sum of all forces acting on an object in a given direction is equal to the mass of the object times its acceleration in that direction:
∑F = m · a
Where:
∑F = net force acting on the cart.
m = mass of the cart.
a = acceleration.
Then, solving this equation for the acceleration:
∑F / m = a
60.0 N / 4.50 kg = a
a = 13.3 m/s²
The acceleration of the laundry cart is 13.3 m/s²
A). Heat travels from the sun to the soil by radiation.
B). A ceiling fan moving air around doesn't say anything about heat.
C). It's not <em>heat</em> rising from a chimney. It's heated air.
Whenever you see a heated substance rising through some of
the same substance that's cooler, you're seeing convection.
