A skier starts from rest at the top of a frictionless incline of height h= 32.0 m, as shown in the Figure. At the bottom... 查看全部
When a capacitor, in RC circuit, is fully charged, the current through the resistor is Select one: equal to the current ... 查看全部
QUESTION 6 Four equal point charges of q= 7.08 nC are placed at equal distances of a=2.72 cm from the origin, as shown i... 查看全部
Two parallel-plate capacitors of capacitance G-02-11.2 pF are connected in series as shown in figure. Find the dielectri... 查看全部
he terminal velocity of a person falling in air depends upon theweight and the area of the person facing the fluid. Find... 查看全部
(a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 9.00 x 10-5 kg hangs motionless o... 查看全部
11) An initially stationary object is pulled with force of F = 50 N as shown up to point B and then force is removed. If... 查看全部
(a) A 19.0 kg child is riding a playground merry-go-round thatis rotating at 30.0 rev/min. What centripetal force (inN) ... 查看全部
(a) Calculate the height (in m) of a cliff ifit takes 2.30 s for a rock to hit the ground when it is thrownstraight up f... 查看全部
4.26 A particle of mass m and initial velocity vo collides elastically with a particle of unknown mass ML coming from th... 查看全部