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3 years ago

11

Recall that if the colliding objects have hard surfaces, the collision is elastic. Based on this description, which bumper desig

n is more likely to result in an elastic collision? Predict how this bumper design will change the force that car 2 experiences during the collision.

1 answer:

Andrews [41]3 years ago

3 0

Answer:

wheres the pic

Explanation:

:/

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Si tu velocidad al caminar es 0,3 m/s. Determina el tiempo que demorarias en llegar al sol en horas (REALIZAR TRANSFORMACIÓN DE

Contact [7]

Answer:

138,516,546.9 horas.

Explanation:

Tenemos que usar la ecuación:

Velocidad = distancia/tiempo

Acá tenemos:

Velocidad = 0.3m/s

distancia = 149597870700 m

y queremos resolver la ecuación para el tiempo:

0.3m/s = 149597870700m/tiempo.

tiempo = 149597870700m/(0.3m/s) = 498,659,569,000 s

y sabemos que una hora tiene 3600 segundos, entonces si queremos transformar de segundos a horas tenemos:

498,659,569,000 s = (498,659,569,000/3600) h = 138,516,546.9 horas.

6 0

3 years ago

A pulley with the radius of 10.0 cm was connected to a motor with a massless

kogti [31]

Answer:

(i) -556 rad/s²

(ii) 17900 revolutions

(iii) 11250 meters

(iv) -55.6 m/s²

(v) 18 seconds

Explanation:

(i) Angular acceleration is change in angular velocity over time.

α = (ω − ω₀) / t

α = (10000 − 15000) / 9

α ≈ -556 rad/s²

(ii) Constant acceleration equation:

θ = θ₀ + ω₀ t + ½ αt²

θ = 0 + (15000) (9) + ½ (-556) (9)²

θ = 112500 radians

θ ≈ 17900 revolutions

(iii) Linear displacement equals radius times angular displacement:

s = rθ

s = (0.100 m) (112500 radians)

s = 11250 meters

(iv) Linear acceleration equals radius times angular acceleration:

a = rα

a = (0.100 m) (-556 rad/s²)

a = -55.6 m/s²

(v) Angular acceleration is change in angular velocity over time.

α = (ω − ω₀) / t

-556 = (0 − 15000) / t

t = 27

t − 9 = 18 seconds

8 0

3 years ago

As you climb a mountain, you can expect the air temperature to decrease by 6.5 degrees C for every 1000 meters you ascend. This

Reptile [31]

Answer:

the answer will be C. 4 degrees C

Explanation:

you subtract base meters from peak meters to get 4 meters; then Multiply 6.5 by 4.

Then subtract that total from 30 degrees C

***as altitude increases, temperature decreases***

6 0

3 years ago

A projectile is fired straight upward at 173 m/s. how fast is it moving at the instant it reaches the top of its trajectory?

Fittoniya [83]

The top of the trajectory is the point where it changes from rising to falling. At that exact instant, its vertical speed is zero.

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3 years ago

A student performs an experiment in which a 4kg object travels across a horizontal surface with an initial speed velocity of 6m/

Snezhnost [94]

Answer:

The velocity of the center of mass of the two-object system remains constant during the experiment.

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3 years ago