Sign In
Ask Question
Physics
Haleigh Hubbard
15 October, 10:14
M=2450kg
V=72km/h
Ek=?
+3
Answers (
1
)
Andrea Cain
15 October, 14:05
0
490,000J
Explanation:
Mass (M) = 2450kg
Velocity (V) = 72km/h
Converting from km/h to m/s:
(72km) * (1000m) * (1h) / (3600s) * (1km) (1h)
Km and h cancel out:
V = 20m/s
Kinetic energy (Ek) = ?
Ek=1/2MV^2
Ek=1/2 * (2450kg) * (20m/s) ^2
Ek=490,000J
Comment
Complaint
Link
Know the Answer?
Answer
Not Sure About the Answer?
Get an answer to your question ✅
“M=2450kg V=72km/h Ek=? ...”
in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers
You Might be Interested in
You kick a soccer ball with a speed of 12 m/s at an angle of 21. How long does it take the ball to reach the top of its trajectory?
Answers (1)
Bob mixed 5 mg of sodium hydroxide pellets in 100 mL of water. Describe how the rate of the solution changes when he adds 1mg more of sodium hydroxide pellets
Answers (1)
A certain spacecraft is x AU (Astronomical Units) from Earth. How long in seconds does it take for a signal to reach the Earth after it is transmitted from the spacecraft? Hint: An AU is about 149.9 Million Km, and light moves at 299,800 Km/s.
Answers (1)
A 1.5-kg block at rest on a ramp of height h. When the block is released, it reaches the bottom of the ramp and moves across a surface that is frictionless except for one section of width 15 cm that has a coefficient of kinetic friction µk=0.32.
Answers (1)
2 types of energy (name and described briefly) 1. 2.
Answers (2)
New Questions in Physics
Two trains leave the same station at the same time. The first train travels north at 60 mph. The second train travels west at 45 mph. Find how fast the distance between the trains is changing two hours after the trains have left.
Answers (1)
If the room radius is 4.5 m, and the rotation frequency is 0.8 revolutions per second when the floor drops out, what is the minimum coefficient of static friction so that the people will not slip down?
Answers (1)
Energy of motion is known as what energy
Answers (1)
While a constant total force of 17 n is exerted on a cart, the cart's acceleration is 5 m/s2. find the mass of the cart?
Answers (1)
Which of the following is NOT a possible cause of a genetic disorder in humans? changes in the number of chromosomes mutations in the DNA of genes being born underweight changes in the structure of chromosomes
Answers (1)
Home
»
Physics
» M=2450kg V=72km/h Ek=?
Sign In
Sign Up
Forgot Password?