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- 1) A pendulum bob of mass 0.710 kg is suspended by a string of length 1.50 m. The bob is released from rest when the string is at 30°to the vertical. The swing is interrupted by a peg 1.00 m vertically below the support as shown below. What is the maximum angle to the vertical made by the string after it hits the peg? 1 mlass 15.0 kg, attac across a frictionless surface. The force constant acceleration of the object when the spring h hed to an ideal massless spring, is pulled horizontally of the spring is 50.0 N/m. What is the has been stretched by 0.950 m? kx: a: .le m long. You start with the swing hanging vertically and pull it until the chain makes an angle of 35.0° with the vertical while your sister is at rest. What is your sister's mass, assuming negligible friction? 1. You do 200 J of work while pulling your sister back on a swing, whose chain is 5.00 m r1X Exit full screen Press Esc to exit full screen A I.S ka bot moves back and forth hori zon tal frietionless sor tace between the box is nitially pressed agains t the stronger spring lorpieuing 64 a two ditterent springs : it 4.0 cm and then is released trom rest. k= 32 N /cm k=16 N/cm box m m la) by how much will the box compiess the weaker sping 6) What is the maximom jpeed the bot will reach
- A student releases a 3.9kg cart from the top of ramp and starts a stopwatch. The length from the front of the cart to the end of the ramp and the distance from the end of the ramp to the stopper are shown. Neglect backwards friction and drag and assume the cart does not lose speed transitioning from the ramp to the floor. What is the cart's acceleration on the ramp? unit | (magnitude) What is the cart's acceleration on the floor? 130cm unit (magnitude) How long does the cart take to reach the end of the ramp? 5° 200cm unit (timed from the release) How fast is the cart traveling as it hits the stopper? unit How long does the cart take to reach the stopper? unit (timed from the release) cannot be detern check answers challenge ne Calculator ound = 343m/s cant figures Rain to stop e here to search ACC t;320if x=q cos wt and y =q sin wt where is constant and q= w(t) Find kinetic, energyblock and the ramp is 0.26. It compresses the spring 5.3 cm before coming to a stop. How much was the distance d it travelled down the ramp before contacting the spring?