Answer:
the atmosphere would still be in motion with the Earth's original 1100 mile per hour rotation speed at the equator. ... This means rocks, topsoil, trees, buildings, your pet dog, and so on, would be swept away into the atmosphere.
Explanation:
to me, this means we would proabaly be sucked into outer space and could die if no astronaut gear is on
The driver of a 1000 kg car traveling on the interstate at 35 m/s slams on his brakes to avoid hitting a second vehicle in front of him, which had come to rest because of congestion ahead. After the brakes are applied, a constant friction force of 800 N acts on the car. Ignore air resistance, at what minimum distance should the brakes be applied to avoid collision with the other vehicle
Answer:
765.625 m
Explanation:
When brakes are applied , work is done by frictional force to reduce the kinetic energy of the car . To stop the car , the work done by brake must equalize the kinetic energy of car .
1/2 m v² = F d
m is mass of the car , v its velocity , F is frictional force and d is displacement of car .
1/2 x 1000 x 35² = 800 x d
d = 765.625 m
An object's center of mass is _______. Select all that apply. An object's center of mass is _______. Select all that apply. the point about which the net torque is zero the point about which an unconstrained rotation occurs the geometric center of the object the mass-weighted center of the object the point about which the angular momentum is zero Previous AnswersRequest Answer Incorrect; Try Again; 7 attempts remaining
Answer:
the point about which an unconstrained rotation occurs
the mass-weighted center of the object
Explanation:
The center of mass of an object can be described to be a a position that is defined relative to the object
The center of mass is the average position of every parts of the object. At this point we can assume that all of the mass of this object is concentrated
When weighted according to their masses, the center of mass is the average position of all the parts of the object. While other points in this object are rotating around it, the center of mass would not rotate (fixed).
So the correct options are:
1. the point about which an unconstrained rotation occurs
2. the mass-weighted center of the object
Answer: The correct option is
the point about which an unconstrained rotation occurs
Explanation:
The CENTER OF MASS is the average position of the different parts of the the object system which are weighted base on their masses
On Earth a gallon of milk has the same mass as a gallon of milk in space, but it has a different __________.
A.
weight
B.
inertia
C.
amount of matter
D.
volume
Answer:
A. Weight
Explanation:
On Earth a gallon of milk has the same mass as a gallon of milk in space, but it has a different weight
Which observation is the best evidence that some colors of visible light are
being absorbed in this photo?
A. The man's head is distorted under the water.
B. The top of the man's head appears disconnected.
C. The shape of the man's arm is clearly seen underwater.
D. The snorkel in the man's mouth appears yellow.
Answer:
id say D
Explanation:
because its the only answer that has to do with colors and visable light
but A and B also have to do with eachother so i feel like it could be with one of those but it def isnt C
I am sorry if i am wrong, let me know tho!
Answer:
A.
Explanation:
