Is melting ice cream a physical or a chemical change and why??
Answer:
Physical change
Explanation:
When melting, it absorbs heat from the surround and changes the physical state (solid to a liquid). no reactions are happening, liquid ice molecules will exist the same as in solid ice.
A 65 kg bungee jumper jumps off of a bridge. At an instant when they are 50 m above the ground, they are falling at a speed of 40 m/s, and the elastic in their bungee cord
(k = 650 N / m) is stretched by a distance of 2.0 m. What is the total mechanical energy of the bungee jumper at this instant ?
a. 1300 J
b. 52000 J
c. 31850 J
d. 85150 J
Answer:
the mechanical energy = a 1300J
See num 2 pls pic here ASAP PLS BRAINLIEST ASAP
What is a difference between orange trees and cypress trees?
An orange tree has seeds in a cone, and a cypress tree has seeds in a fruit.
An orange tree has spores, and a cypress tree has seeds in a cone.
An orange tree has seeds in fruit, and a cypress tree has seeds in a cone.
An orange tree has seeds in fruit, and a cypress tree has spores.
the photo shows a metal spoon just after it is placed in a bowl of hot soup. what will happen over time?
a. the kinetic energy of particles in the spoon will increase as thermal energy moves from the soup to the spoon
b. the kinetic energy of particles in the soup will increase as thermal energy moves from the spoon to the soup
c. the kinetic energy of particles in the spoon will decrease as thermal energy moves from the soup to the spoon
d. the kinetic energy of particles in the spoon will decrease as thermal energy moves from the spoon to the soup
Why DID THE CHICKEN CROSS THE ROAD?
-don't say "to get to the other side"
This is to say the most sense and creative answer for my class"Physic Jokes"
Answer:The chicken crossed the road because it put one foot in front of the other and took a sufficient number of steps to traverse a distance greater than or equal to the road’s width. Note that the reason is not because the earth is the center of the universe.
Explanation:
What is the stage in the life cycle of plants when the plant is able to produce seeds, cones, or spores called?
Adult stage
Embryo stage
Final stage
Sprouting stage
PLS HELP I WILL GIVE BRAINILITS
The adult stage is a stage in the life cycle of plants when the plant is able to produce seeds, cones, or spores. The correct option is (a).
The plant has now reached full maturity and is ready to reproduce at this point. Depending on the species of plant, it grows flowers, cones, or other reproductive organs, and it creates seeds, fruits, or spores. For the plant to reproduce and complete its life cycle, these reproductive structures are essential.
Angiosperms, the most varied class of plants, are made up of all the common flowering plants we see every day. The development of flowers, which are reproductive organs tailored for sexual reproduction, occurs during the adult stage of a flowering plant's life cycle.
Hence, the adult stage is a stage in the life cycle of plants when the plant is able to produce seeds, cones, or spores. The correct option is (a).
To learn more about seeds, here:
https://brainly.com/question/29093380
#SPJ3
What is the name for a quantity that is only a magnitude?
A. Vector
B. Scalar
C. Coordinate
D. Force
Answer:
The correct answer would be B) Scalar
Where are the reproductive parts of a plant located?
Leaves
Flower
Roots
Stem
Answer:
FlowerExplanation:
The flowers are the reproductive parts of a plant. Stamens are the male reproductive part and pistil is the female reproductive part.