Physics, 06.11.2019 22:31 ladypink94
A0.20-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 360 n/m. the block is pulled from its equilibrium position at x = 0.00 m to a displacement x = +0.080 m and is released from rest. the block then executes simple harmonic motion along the horizontal x-axis. when the displacement is x = -2.3Γ10β2 m, find the acceleration of the block.
Answers: 2
Physics, 23.06.2019 00:20
An object with a mass of 1.5 kg changes its velocity from + 15 m/s to +22 m/s during a time interval of 3.5 seconds. what impulse was delivered to the objects?
Answers: 2
Physics, 23.06.2019 02:00
Ice at 0.0βc has a density of 917 kg/m3. a 3.00 cm3 ice cube is gently released inside a small container filled with oil and is observed to be neutrally buoyant. what is the density of the oil?
Answers: 2
Physics, 23.06.2019 02:30
Intro: a solid ball of radius rb has a uniform charge density Ο. part a: what is the magnitude of the electric field e(r) at a distance r> rb from the center of the ball? express your answer in terms of Ο, rb, r, and Ο΅0. part b: what is the magnitude of the electric field e(r) at a distance r express your answer in terms of Ο, rb, r, and Ο΅0. part c: let e(r) represent the electric field due to the charged ball throughout all of space. which of the following statements about the electric field are true? check all that apply. e(0) = 0 e(rb)=0 limrββe(r)=0 the maximum electric field occurs when r=0 the maximum electric field occurs when r=rb the maximum electric field occurs as rββ.
Answers: 1
Physics, 23.06.2019 02:30
If frequency goes up, what happens to wavelength? does it get shorter or longer?
Answers: 2
A0.20-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose sp...
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