1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vazorg [7]
3 years ago
15

Help please:Calculate the mechanical energy of a bird flying at a speed of 10 m / s at an altitude of 15 m. If its mass is 150 g

and the influence of gravitational force is 9.81 m / s²?​
Physics
1 answer:
Sonja [21]3 years ago
4 0

Mass of the bird(m) = 150 g = 0.15 kg

Speed (v) = 10 m/s

Kinetic Energy = \frac{1}{2}m v^{2} = \frac{1}{2} 0.15 (10)^{2} = 7.5 J

Altitude (h) = 15 m

Gravitational Potential Energy = (0.15)(9.81)(15) = 22.0725 J

Mechanical Energy = Kinetic Energy + Potential Energy = 7.5 + 22.0725

= 29.5725 J

You might be interested in
Would it be m/s or kg?
Nesterboy [21]

Answer:

m.s

Explanation:

3 0
3 years ago
Describe a situation in which an object's speed is constant but its velocity is changing.
Olegator [25]
1) If the object changes directions with the same speed, it will be changing its velocity, because velocity is a vector, which depends on both magnitude and direction. Speed is just magnitude regardless of direction.

2) Rotational motion. 
5 0
3 years ago
A good way to measure your power is __________. A. to walk on a balance beam B. to jog a mile to loosen up C. to stretch joints
Kisachek [45]

Answer:

C. to stretch joints and muscles regularly

Explanation:

8 0
3 years ago
Read 2 more answers
Aluminum has a specific heat of 0.902 J/g x oC. Two pieces of aluminum, with masses of 10 kg, cool from 400 oC to 100oC. One mas
Hunter-Best [27]

The heat energy lost is directly related to the shape of the object.

8 0
3 years ago
Read 2 more answers
Suppose your friend investigated the color of pea pods and concluded that green pods (G) were dominant over yellow pods (g).
Katarina [22]

Answer:

Terms in this set (25) Mendel crossed true-breeding plants having yellow peas with plants having green peas. The resulting plant had all yellow peas. An F1 cross resulted in 3/4ths of the plants having yellow peas and 1/4th of the plants having green peas.

Explanation:

5 0
3 years ago
Other questions:
  • A 0.28-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 500 N/m. T
    10·2 answers
  • Racing cars driven by chris and kelly are side by side at the start of a race. the table shows the velocities of each car (in mi
    12·1 answer
  • An acorn falls from a tree and hits the ground in 0.8 s. How far did the acorn fall . Use g = 9.8 m/s^2. Round your final result
    7·1 answer
  • What do gamma rays consist of?
    14·2 answers
  • Identify which gas had the greatest volume change.
    11·1 answer
  • Four +2 μC charges are placed at the positions (10 cm, 0 cm), (−10 cm, 0 cm), (0 cm, 10 cm), and (0 cm, −10 cm) such that they f
    11·1 answer
  • All of the following are stages of change EXCEPT
    13·1 answer
  • Which method of separation would you use when working in the garden and trying to separate the dirt from the weeds?
    10·2 answers
  • If the frog lands with a velocity equal to its average velocity and comes to a full stop 0.25s later, what is the frog’s average
    7·1 answer
  • 34.1 grams / 1.1 mL =
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!