I need help in answering the following questions attached. Solution is required. Thank you

Problem-Solving

A. Momentum and Impulse

ques 1:

27 - 28. Calculate the frequency and its period if a pendulum completes 74 cycles in 23 seconds. A 3.21 Hz and 0.31 sec B. 3.21 Hz and 0.33 sec C. 3.22 Hz and 0.31 sec D. 3.22 Hz and 0.33 secs 29 - 30. Calculate the frequency and its period if a pendulum completes 84 cycles in 3 seconds. A. 28 Hz and 0.36 sec B. 28 Hz and 0.04 sec C. 28 Hz and 0.035 sec D. 28 Hz and 0.03 sec19 - 20. If the football halfback experienced a force of 975N for 0.85 seconds to the north. What is its impulse? A. 814.23 N's B. 904.12 N 0. 915.34 N D. 828.75 N's 21 - 22. In a billiard table, a ball of mass weighing 200g rolls with a velocity of 2.0 m/s and rebounds back at 2.0 m/s in 0.32 seconds. What is the average force on the ball? A 2.5 N B. -3.4 N C. 1.9 N D. 4.1 N 23 - 24. a golf ball was hit by a club in a time interval of 0.1674 seconds with an applied force of 460N. What is its impulse? A 50.063 N's B. 68.146 N's C. 77.004 N's D. 86.623 N's 25 -26. While waiting in a car at a stoplight, a 76 kg man and his car are suddenly accelerated to a speed of 5m/s as the result of a rear-end collision. Assuming the time taken to be 0.4 seconds. Find the force exerted on him by the back of the seat of the car. A. 950 N B. 854 N C. 876 N D. 783 N17 - 18. What is the momentum of a 35.0 kg cannonball fired from a cannon with a velocity of 1800 km/hr?