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Tarzan has a mass of 80 kg and is about to be attacked by a gang of Amazon warriors. Jane has a mass of 60 kg and swings on a vine to come to his rescue, starting at 2 m/s and 5 m above the ground. What is her velocity when she reaches Tarzan a ground level?
how do I approach this question?
An electron is accelerated from rest by a potential difference of350V. It then enters a uniform magnetic field of magnitude 200mTwith its velocity perpendicular to the field.
A 24 ? resistor is frozen in a 0.50 kg block of ice with its two leads exposed. The resistor is then attached to a 9.0 V battery. how many hours does it take to completely melt the ice
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.50sin(2(3.14)t), Find the angular frequency of the driven system
A light spring with spring constant 1200 N/m hangs from an elevated support. From its lower end hangs a second light spring, which has spring constant 1650 N/m. An object of mass 1.50 kg is hung at rest from the lower end of the second spring.
If a different tuning fork is used and the first position that makes a standing wave is 15.0 cm from the opening and the second is 45.0 cm, what is the frequency of this tuning fork
A 4.25-kg watermelon is dropped fromrest from the roof of a 20.5-m-tallbuilding and feels no appreciable air resistance.
A jogger on a circular track that has a radius of 0.250km runs a distance of 1.00 km. What angular distance does the jogger cover in a) radians and b) degrees?
A cart attached to a spring vibrates with amplitude A. What fraction of the total energy of the cart-spring system is kinetic energy when the cart is at position x=A/4.5.
a drawbridge is set up as in this figure. the mass of the actual bridge is 1000 kg and it is 30 m long. the
you are practicing throwing darts in your dorm. you stand 3.33 m from the wall on which the board hangs. the dart
Assuming that the asteroid has a spherically symmetric mass distribution, estimation the radius of the largest asteroid from which you could escape simply with jumping off. (Hint: You can estimate your jump speed by relating it to the maximum height ..
the width of the central peak of a single-slit diffraction pattern can be characterized by the distance of the
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