PHYSICS 1401 NAME bouncing on a What is the maximum velocity of a 70.0 kg person...
Chapter 07, Problem 44 GO A 70.0-kg person, running horizontally with a velocity of +2.49 m/s, jumps onto a 19.3-kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m on level snow before coming to rest. What is the coefficient of kinetic friction between the sled and the snow? (a) Number (b) Number Units...
8. A 100 kg person performs a maximum vertical jump with an initial velocity of 4 m/s. (Rounding to the nearest integer) a. What is the performer’s maximum kinetic energy during the jump? [A] b. What is the performer’s maximum potential energy during the jump? [B] c. The performer’s center of mass elevated ___[C]____ cm during the jump. d. How much power the performer must generate if she accelerates to 4 m/s in 0.2 s? [D]
A mass m = 3 kg is attached to a spring with spring constant k = 3 N/m and oscillates with simple harmonic motion along the x-axis with an amplitude A = 0.10 m. (a) What is the angular frequency of this oscillation? (b) What is the period T and the frequency f of the oscillation? (c) If the phase constant = 0, write down expressions for the displacement, velocity and acceleration of the mass as a function...
Show your walk please
2. What is the maximum velocity for a 4.0 kg mass attached to a horizontally placed spring (-22 N/m)if its amplitude is 0.1 m? rn A. 0.23 m/s B. 0.45 m/s C. 0.98 m/s D. 1.3 m/s E. 1.8 m/s
Problem is from the 12th and 14th edition of University
Physics by Young and Freedman.
Correct Answers
A 0.500-kg mass on a spring has velocity as a function of time given by v(t)(3.60 cm/s) sinl(4.71 s-) /2]. What are (a) the period; (b) the amplitude; (c) the maximum acceleration of the mass; and (d) the force constant of the spring? l. (a) 1.33 s, (b) 0.764 cm. (c) 17.0 cm/s?, (d) 1 1.1 N/m
Physics Simple Harmonic Motion Problem A 100 g block attatched to a spring with constant 2.5 N/m oscillates horizontally on a frictionless table. Its velocity is 20 cm/s when x = -5.0cm. a. What is the amplitude of oscillation? b. What is the block's maximum acceleration? c. What is the block's position when the acceleration is maximum? d. What is the speed of the block when x=3.0 cm?
Name: PHYSICS 1111 armUp for 07 March are sitting on opposite sides of a see-saw at positions of 3 m from the son on the right has a fulcrum. The le the left has a mass of 50 kg and the person on the nght has a mass of 80 k person on a What is the net torque on the see-saw? b. Where would a 40 kg person have to sit on the see-saw in order to balance it?
Name Physics 1401 Teat 19 -2) Fall 2018 mple Choice (4pts each) 8.3057 cm is added to 0.50 cm. The 'sesroprately manded 1.Aingth of A 90 om В 89cm C. 890 om D. 8896 om 2. A 0.060mm messurement is by 3.9902 mm. The "eppropriately rounded produ B. 023 mm C. 0.232 D. 0.2316 mm 3. 7.329x10 centimeters equais A. 7.329 x 1011 km B. 7.329 x 101 km C. 7.329 x 102 km D. 7.329x 10 km 4. Two...
General Physics
Problem 4: A student pushes a baseball of m= 0.14 kg down onto the top of a vertical spring that has its lower end fixed to a table, compressing the spring a distance of d= 0.16 meters. The spring constant of the spring is k = 770 N/m. Let the gravitational potential energy be zero at the position of the baseball in the compressed spring. Randomized Variables m= 0.14 kg k= 770 N/m d= 0.16 m Part (a)...
A 4 kg object oscillates on a spring with an amplitude of 8 cm . The maximum acceleration of the object is 4 m/s2 . What is the maximum speed of that object as it oscillates?