The speed you read on a speedometer is______
Answers
Final answer:
The speed you read on a speedometer is your instantaneous speed, which is the speed your vehicle is moving at a specific moment. This is usually measured in miles per hour (mph) or kilometers per hour (km/h), and it's calculated based on the rotation of your vehicle's wheels or drive shaft.
Explanation:
The speed you read on a speedometer is your instantaneous speed. This is the speed at which your vehicle is moving at a specific moment in time. On a standard speedometer, you'll see this represented as miles per hour (mph) or kilometers per hour (km/h), depending on your location and the standard measure of distance in your country.
The speedometer works by taking into account the rotation of the wheels or drive shaft and converting that rotational speed into a speed of linear motion.
For example, if you're driving and your speedometer says 60 mph, this means that at that particular moment, you are moving at a speed of 60 miles in one hour.
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Equal amounts of water are kept in a cap and in a dish which will evaporate faster ?why
A small 175-g ball on the end of a light string is revolving uniformly on a frictionless surface in a horizontal circle of diameter 1.0 m. The ball makes 2.0 revolutions every 1.0 s. What are the magnitude and direction of the acceleration of the ball? What's the tension in the string?
The net charge of 3 mol of protons isa) 4.81×10 4 C . b) 3.00 C c) 4.81×10 −19 C d) 2.89×10 5 C
Which type of environment results from an equal amount of solute and solvent in and out of the cell?A. hypertonic environmentB. isotonic environmentC. hypotonic environmentD. flaccidA molecule that moves across a cell membrane without using the cell's energy tends to moveA. away from the area of equilibrium.B. away from the area where it is less concentrated.C. away from the area where it is more concentrated.D. toward the area where it is more concentrated.
B. 10 trillion km
C. 300,000 km
D. 100 billion km
Answers
10 trillion km is the corrct asnwer
Answer:
B. 10 trillion km
Explanation:
“ It is the distance that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. ”
Answers
The pellets in a shotshell start to spread or scatter as soon as they are fired. This dispersion will increase as the pellets travel farther. Shotgun barrels feature a choke to regulate this pellet pattern. The shotgun barrel's choke is the constriction at the muzzle end.
How long is a shot string?
At 20 yards, it can be roughly 5 feet long, and at 30 yards, it can be 8 feet long. The variance is brought on by the pellets' distortion as they move along the barrel.
The full choke features the tightest shot pattern and is the tightest choke. The pellets are kept together for a longer distance thanks to this choke. It is typically used for shots that are further than 40 yards.
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Answers
Answer:
The acceleration of the box is 2.
Explanation:
According to Newton's second law of motion, the acceleration of any object will be directly proportional to the net unbalanced force acting on the object and inversely proportional to the mass of the object.
Net force = Mass × Acceleration
So
Since in this case, the box is experiencing a force from east of magnitude 27 N and resisting force of about 17 N from west. So the net force will be the difference of acting and reacting force.
Net force = 27-17 = 10 N.
Thus,
So 2 is the acceleration of the box. Thus the magnitude of acceleration of the box is 2.
Answers
1). A driver presses the gas and the car speeds up.
2). A driver presses the brake and the car slows down.
3). A driver turns the steering wheel slightly. The car's speed doesn't change
as it goes around the curve.
4). A stone is tossed into the air. Gravity accelerates it from the moment it
leaves the thrower's hand until it hits the ground.
5). A new TV satellite is successfully launched and placed in a perfect circular
orbit around the Earth. The satellite's motion is accelerated forever, 24/7/365 .
"Acceleration" means any change in the speed or direction of motion. Any
object that's not moving at constant speed in a straight line is accelerated.
Answers
bridge, it has to travel the whole 250m to get to the other end of the bridge, and
then it has to travel another 50m to get the rest of the train off the bridge. So it
has to travel 300m to get everything it's pulling across the bridge.
Time = distance/speed = 300m / (12,000 m/hr) = 0.025 hour = 1 minute 30 sec
t=s/v
v=12 km/h=10/3 m/s
s=250+50=300 m
t=300/(10/3)
t=300*3/10
t=30*3
t=90 s=1.5 min
B. closed.
C. parallel.
D. open.
Answers
Answer:
The circuit is said to be closed
Explanation:
Electricity is defined as the movement of electrons within a conductor in a certain path.
This means that, for electricity to flow, two conditions need to be fulfilled:
1- there must be conductor materials for electrons to move through
2- a closed path (loop) must exist to allow the flow of electrons
If wither of these conditions is not met, the movement of electrons will be stopped and therefore, electricity will not be conducted
Based on the above, when all parts of a circuit are composed of conducting materials (conductors forming closed path), the circuit is said to be closed (a loop exists for electrons to move in).
Hope this helps :)