Biology, 20.09.2019 08:30 Bowied6025
1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it.
2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it.
3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.
Answers: 1
Another question on Biology
Biology, 22.06.2019 10:30
During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
Answers: 2
Biology, 22.06.2019 13:10
Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.
Answers: 1
Biology, 22.06.2019 13:30
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
Answers: 3
You know the right answer?
1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. t...
Questions
Mathematics, 11.08.2019 07:10
Physics, 11.08.2019 07:10
Physics, 11.08.2019 07:10
English, 11.08.2019 07:10
History, 11.08.2019 07:10
Mathematics, 11.08.2019 07:10
Mathematics, 11.08.2019 07:10
Social Studies, 11.08.2019 07:10
Mathematics, 11.08.2019 07:10
Mathematics, 11.08.2019 07:10
Mathematics, 11.08.2019 07:10
