Physics, 24.01.2020 05:31 dewillis9380
Aparticle moving along the x-axis has its velocity described by the function vx =2t2m/s, where tis in s. its initial position is x0 = 2.3m at t0 = 0 s
a)
at 2.2s , what is the particle's position?
express your answer with the appropriate units.
b)
at 2.2s , what is the particle's velocity?
express your answer with the appropriate units.
c)
at 2.2s , what is the particle's acceleration?
Answers: 3
Physics, 22.06.2019 04:30
Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.
Answers: 2
Physics, 22.06.2019 09:30
The graph represents the distance a car travels over time while on the highway. which statement about the car's trip is accurate? a) the car does not move over time. b) the car travels at a constant velocity. c) the car's velocity increases constantly over time. d) the car's velocity decreases constantly over time.
Answers: 1
Physics, 22.06.2019 14:00
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Physics, 22.06.2019 16:50
Acommercial refrigerator with refrigerant-134a as the working fluid is used to keep the refrigerated space at -35°c by rejecting waste heat to cooling water that enters the condenser at 18°c at a rate of 0.25 kg/s and leaves at 26°c. the refrigerant enters the condenser at 1.2 mpa and 50°c. if the compressor consumes 3.3 kw of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the cop, and (d) the minimum power input to the compressor for the same refrigeration load.
Answers: 2
Aparticle moving along the x-axis has its velocity described by the function vx =2t2m/s, where tis i...
History, 06.01.2021 19:20
English, 06.01.2021 19:30
Physics, 06.01.2021 19:30
Mathematics, 06.01.2021 19:30
Mathematics, 06.01.2021 19:30
Chemistry, 06.01.2021 19:30
English, 06.01.2021 19:30
Spanish, 06.01.2021 19:30
Mathematics, 06.01.2021 19:30
Chemistry, 06.01.2021 19:30
Mathematics, 06.01.2021 19:30
Health, 06.01.2021 19:30
Social Studies, 06.01.2021 19:30
Mathematics, 06.01.2021 19:30