Question 1 0 out of 1 points Aniron sphere of mass 10 and an a uminum s here of

Question

Question 1 0 out of 1 points Aniron sphere of mass 10 and an a uminum s here of mass 5 kg and same size are dropped simultaneouslyfrom top of a cl.lno gte air resistance, when they are 10 m from the ground, they have the same Selected Answer: Iron sphere has twice the acceleration of that of aluminum sphere Answers: Acceleration Momentum Potential energy Kinetic energy ron sphere has twice the acceleration of that of aluminum nphere Question 2 0 out of 1 points A pendulum swinging back and forth when reaches its maximum height has Both kinetic and potential energy Kinetic energy Potential energy Both kinetic and potential energy Selected Answer: Answers:

Explanation / Answer

1) both will have the same acceleration.

2)At maximum height v=0 thus kinetic energy will be zero and it will have only potential energy.

3)The work done will be 1 kg m^2/s^2=1 joule

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.