I need help with questions 20 and 21 can someone please solve it? ing & Assess...
Can someone please help me with 18 and 19 at the bottom of the hill? Answer in units of m/s 017 10.0 points A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 2.1 m/s. The acceleration of gravity is 9.81 m/s2 What is the initial height of the bob? Answer in units of m. m. 018 (part 1 of 2) 10.0 points he rope A 1.74x...
#10 is 5778.44 N i just can’t figure out #11 010 (part 1 of 2) 10.0 points A 15.6 kg block is dragged over a rough, hor izontal surface by a constant force of 87.7 N acting at an angle of 25.5° above the hori zontal. The block is displaced 73 m, and the 5. pulley 6. screw carney (00:4556)-#8 Machines and Energy-roden-(roden 18) coefficient of kinetic friction is 0.141 tically in order to get it into the back of...
Finish all parts or dont do. Thanks 002 (part 1 of 5) 10.0 points An 18.2 kg block is dragged over a rough, horizontal surface by a constant force of 137 N acting at an angle of angle 27.4° above the horizontal. The block is displaced 86 m and V the coefficient of kinetic friction is 0.115. 137 N 27.4 18.2 kg re XXA 0.115 AR Findhthe work done by the 137 N force. The b acceleration of gravity is...
A 17.5 kg block is dragged over a rough, horizontal surface by a constant force of 70.4 N acting at an angle of 27.5◦ above the horizontal. The block is displaced 46.9 m, and the coefficient of kinetic friction is 0.119. The acceleration of gravity is 9.8 m/s2 . 17.5 kg μ = 0.119 Find the work done by the force of friction. Answer in units of J.
Need help with #20. 018 (part 1 of 3) 10.0 points A 3 kg object oscillates with an initial ampli- tude of 469 cm on a spring of force constant 760.6 N/m. Find the period. Answer in units of s. 019 (part 2 of 3) 10.0 points Find the total energy. Answer in units of J. 020 (part 3 of 3) 10.0 points 27 Wom If Q = 7 7AE) m , and the en- LE ) cycle ergy decreases...
027 (part I of 3) 10.0 points A block is at rest on the incline shown in the figure. The coefficients of static and ki- netic friction are ?,-0.62 and ?? 0.53, respectively. The acceleration of gravity is 9.8 m/s*. 29° What is the frictional force acting on the 41 kg mass? Answer in units of N 028 (part 2 of 3) 10.0 points What is the largest angle which the incline can have so that the mass does not...
012 (part 1 of 4) 10.0 points A massless spring with force constant 277 N/m is fastened at its left end to a vertical wall, as shown below. The acceleration of gravity is 9.8 m/s 2 . Initially, the 8 kg block and 3 kg block rest on a horizontal surface with the 8 kg block in contact with the spring (but not compressing it) and with the 3 kg block in contact with the 8 kg block. The 8...
can someone help me with this, someone else tried to help me but I didn't understand what they said 4. A 3 kg block is pulled up a rough incline by a rope that exerts a 25 N force that is parallel to the incline. The angle of the incline 0 = 30° and the coefficient of friction between the block and incline u = 0.2. The block is pulled 1 m along the incline the block starts from rest....
before answering. 001 (part 1 of 2) 10.0 points A mechanic pushes a 3780 kg car from rest to a speed of v, doing 4144 J of work in the process. During this time, the car moves 28.2 m. Find the speed v. Neglect friction between car and road. Answer in units of m/s. 002 (part 2 of 2) 10.0 points Find the horizontal force exerted on the car. Answer in units of N. 003 10.0 points 1 1 1
023 (part 1 of 3) 10.0 points A block is at rest on the incline shown in the figure. The coefficients of static and ki- netic friction are μ8-0.55 and respectively. μk = 0.47 The acceleration of gravity is 9.8 m/s2. g kg 27° What is the frictional force acting on the 39 kg mass? Answer in units of N. 024 (part 2 of 3) 10.0 points What is the largest angle which the incline can have so that the...