Physics, 31.10.2021 19:10 amandaelisantos
Một bánh xe (có dạng là hình trụ rỗng) bán kính 0.5m, khối lượng m=50kg.
Bánh xe chịu tác dụng bởi một lực tiếp tuyến Ft=100N. a. Gia tốc của bánh xe. b. Bao lâu kể từ khi lúc bắt đầu tác dụng lực thì bánh xe có được tần số
N =100 vòng /phút. Giả thiết lúc đầu xe đứng yên.
Answers: 3
Physics, 22.06.2019 03:50, ash011519
The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error
Answers: 1
Physics, 22.06.2019 16:30, makenahbriana
In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
Physics, 22.06.2019 16:30, JJlover1892
What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?
Answers: 2
Physics, 22.06.2019 19:50, nadiareese
Aleaky 10-kg bucket is lifted from the ground to a height of 15 m at a constant speed with a rope that weighs 0.7 kg/m. initially the bucket contains 45 kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the 15-m level. find the work done. (use 9.8 m/s2 for g.) show how to approximate the required work by a riemann sum. (let x be the height in meters above the ground. enter xi* as xi.) lim n → ∞ n (9.8)(45−3 xi) i = 1 δx express the work as an integral. 0 dx evaluate the integral. (round your answer to the nearest integer.) j
Answers: 3
Một bánh xe (có dạng là hình trụ rỗng) bán kính 0.5m, khối lượng m=50kg.
Bánh xe chịu tác dụng bởi...
Mathematics, 17.06.2020 22:57
Mathematics, 17.06.2020 22:57