Physics, 03.04.2021 20:00 Dashavu7165
A girl is running the 200 m dash. She starts by acceleration at 8m/s^2 for 7s. Then continues at this speed until the end of the race. How long did it take for her to complete the race?
Answers: 2
Physics, 22.06.2019 18:00
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
Answers: 1
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
Physics, 23.06.2019 00:30
Asmall electric heater, immersed in 80g of water in a calorimeter of 40j/k raises the temperature from 10.5 degree celsius to 25 degree celsius in 12 minutes. using the same apparatus with 50g of oil instead of water, it is found that the temperature of oil rises from 7 degree celsius to 27 degree celsius in 10 minutes. find specific heat capacity of the oil.
Answers: 2
A girl is running the 200 m dash. She starts by acceleration at 8m/s^2 for 7s. Then continues at thi...
Health, 17.01.2020 18:31
Mathematics, 17.01.2020 18:31
Chemistry, 17.01.2020 18:31
Mathematics, 17.01.2020 18:31
Chemistry, 17.01.2020 18:31
Mathematics, 17.01.2020 18:31
Business, 17.01.2020 18:31
Social Studies, 17.01.2020 18:31
Mathematics, 17.01.2020 18:31