subject
Physics, 15.09.2021 21:30 louiecampos

A model rocket has a mass of 0.2 kg, with a motor that can provide a force of 100 N. A second model rocket is being built with the same motor, but it is being designed to accelerate half as much as the first rocket. What kind of change can be made in the design to achieve this objective? (1 point) The mass of the second rocket should be 0.1 kg.

The mass of the second rocket should be 0.4 kg.

The mass of the second rocket should be 0.01 kg.

The mass of the second rocket should be 0.2 kg.

Five motorboats are being tested to see which reaches the highest velocity in the same amount of time. After graphing the acceleration versus force for each motorboat, the graph is a sloped line with a y-intercept of zero. Which statement is correct about these motorboats?(1 point)

All five motorboats have the same mass, which cannot be calculated from the graph.

All five motorboats have the same final velocity, which can be calculated from the graph.

All five motorboats have the same mass, which can be calculated from the graph.

All five motorboats have the same final velocity, which cannot be calculated from the graph.

ansver
Answers: 3

Another question on Physics

question
Physics, 21.06.2019 16:40
What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k
Answers: 1
question
Physics, 21.06.2019 18:20
The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.
Answers: 2
question
Physics, 22.06.2019 08:00
Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance
Answers: 3
question
Physics, 22.06.2019 12:30
Consider a 1000 w iron whose base plate is made of 0.5 cm thick aluminum alloy 2024-t6 (ρ = 2770 kg/m3 and cp = 875 j/kg°c). the base plate has a surface area of 0.03 m2. initially, the iron is in thermal equilibrium with the ambient air at 22°c. assuming 90% of the heat generated in the resistance wires is transferred to the plate, determine the minimum time needed for the plate temperature to reach 200°c.
Answers: 1
You know the right answer?
A model rocket has a mass of 0.2 kg, with a motor that can provide a force of 100 N. A second model...
Questions
question
English, 05.05.2020 05:00
question
Mathematics, 05.05.2020 05:00
question
Mathematics, 05.05.2020 05:00
Questions on the website: 13722362