Polar molecules do have ionic bonds
The deceleration of the car is observed as 2 m/s^2.
<h3>What is deceleration?</h3>
The term deceleration has to do with the decrease of velocity with time.
Given that;
v = 65 km/h or 18 m/s
u = 126 km/h to or 35 m/s
t = 8.5 s
a = ?
v = u - at
18 - 35 = -8.5a
a = 18 - 35/-8.5
a = 2 m/s^2
Learn ore about deceleration:brainly.com/question/4403243?
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d. 49.0 m/s
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- Kinetic Energy of an object is the measure of the work an object can do by virtue of its motions..
- Where KE is the kinetic energy, m is the body’s mass, and v is the body’s velocity.
- Potential energy is the stored energy in any object or system by virtue of its position or arrangement of parts..
Where,
. m is the mass in kilograms
. g is the acceleration due to gravity
. h is the height in meters
Hope it helpz~ uh..
Answer:
1.3 rev/s
Explanation:
= Moment of inertia when arms and one leg of the skater is out = 3.5 kgm²
= Moment of inertia when arms and legs of the skater are in = 0.80 kgm²
= Angular speed of skater when arms and legs of the skater are in = 5.5 rev/s
= Angular speed of skater when arms and legs of the skater are out = ?
Using conservation of angular momentum
=
(0.80) (5.5) = (3.5)
= 1.3 rev/s