If a force of 10N acts on a 2 kg object, what is the acceleration? 5m/s^2 0.2m/s^2 2m/s^2 20m/s^2

Multiple Choice 1 point What is projectile motion? Motion that occurs in one direction whether horizontal or vertical. None of these answers are correct. Motion that-occursin both the horizontal and vertical directions at the same time. All of these answers are correct.

1 point If a car travels for 10 seconds and covers a distance of 100 m, what is the speed of the car? 100m 10m/s 1000m/s 0.10m/s

Arace car accelerates unilformly from 20m/s to 40m/s in 10 seconds. Determine the acceleration of the car and the distance traveled. a=(v_(1)-v_(1))ftand(Delta x=v_(i)t+hat^2) a=2m/s^2 Delta x=210m a=4m/s^2 Delta x=300m s=8m/s^2 Delta s=600m a=2m^2 Delta x=300m

2 The massof a large truck is 2000 kg. What is the force required to ac accelerate the truck at a rate of 40m/s^2 80,000 N 0.02N SOON Multiple Choice 1 point

A student conducts an experiment in which sound waves pass through air and then through water Which statement describes the wave speed as it passes from air to water? (1 point) The speed of sound becomes zero The speed of sound decreases The speed of sound increases The speed of sound remains the same

According to the text what can be inferred about the use of different models (wave or particle) in understanding electromagnetic radiation? The wave model is universally applicable and always provides s complete explanation. The choice of model depends on the scientist?personal preference. The particle model is only relevant for high-energy radiation like gamma rays. Different phenomena are better explained by one model over the other depending on the specific situation.

According to the text,why is it important to understand both the wave and particle models of electromagnetic radiation? Because the wave model is only applicable to visible light, while the particle model applies to all other forms of radiation. Because understanding both models is crucial for comprehending the behavior of light and other forms of electromagnetic radiation. Because the particle model is easier to understand than the wave model. Because the wave model is outdated and no longer used in modern science.

Figure Ahas a stronger gravitational force than figure B. What factor causes a stronger pull? Decreased volume Increased mass Decreased temperature

__ 12. Your little brother pulls a wagon behind him. The force he is pulling with is at an upward angle of 32^circ above the horizontal. He pulls the wagon a distance of 5.4 meters and does 2395 J of work. What force did he have to apply to the wagon?

Hot Questions

A certain wave function is given by $\psi (x)=\{ \begin{matrix} A&for-a\leqslant x\leqslant a\\ 0&otherwise\end{matrix} $ Which of the following corresponds to the Fourier transform for this wave function? A sum of spherical harmonics. A sum of sines and cosines. A sum of Hankel functions. The Dirac delta function.

8> What is the random capture theory? Which theory best explains how our solar system was created?

Which of the following expressions correspond to the energy-time uncertainty principle? $\Delta E\Delta t\geqslant 2\bar {h}$ $\Delta E\Delta t\geqslant \hat {h}$ $\Delta E\Delta t\geqslant \frac {h}{2}$ $\Delta \omega \Delta t\geqslant \bar {h}$

A wave function can be expanded in basis states as $\vert \psi \rangle =\sum _{n}a_{n}\vert \psi _{n}\rangle $ What must be true of the expansion coefficients? $\sum _{n}\vert a_{n}\vert ^{2}=1$ They must be real numbers. There is no restrictions on the coefficients. $\sum _{n}a_{n}=1$

Match each statement to the wave interaction it describes. \begin{array}{|l|l|} \hline\ reflection\ &\ Waves\ bounce\ off\ an\ object.\ \\ \hline\ absorption\ &\ Waves\ are\ taken\ in\ by\ an\ object.\ \\ \hline\ transmission\ &\ Waves\ bend\ while\ passing\ from\ one\ medium\ to\ another.\ \\ \hline\ diffraction\ &\ Waves\ scatter\ through\ an\ opening\ or\ around\ an\ object.\ \\ \hline\ retraction\ &\ Waves\ go\ through\ an\ object.\ \\ \hline \end{array}

Consider the following force: A fridge magnet is pulling on a paper clip. According to Newton's third law what other force must be happening? The paper clip is pushing on the fridge magnet. The paper clip is pulling on the fridge magnet.

For Newton's third law the action and reaction forces are equal in magnitude and opposite in direction. A True B False

Which one of the following actions will increase the current ratio, all else constant? Assume the current ratio is greater than 1.0

11. ¿Qué es un campo gravitacional? A) Una región donde se experimenta una fuerza eléctrica. B) Una región donde se experimenta una fuerza magnética. C) Una región donde se experimenta una fuerza gravitacional D) Una región sin ninguna fuerza.

Why is a solid less compressible than a gas? Gases have more volume Solids are made of metals Solid particles are tightly packed Solids are heavier