Lesson 6 LSQ Work Done Energy Yr 10

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Which school do you attend? *

Gloucester Academy

Greenshaw High School

The Brakenhale School

Orchard Park

Blaise High School

Yate Academy

Henley Bank High School

Holmleigh Park High School

Five Acres High School

其他：

What is your name? *

Which of the following is the correct equation to calculate image size? *

1 分

Image size = Magnification x Actual size

Image size = Actual size/Magnifcation

Image size = Actual size + Magnification

Image size = Magnification/Actual Size

Name the structure E *

1 分

Cell Membrane

Cytopasm

Ribosome

Mitochondria

Nucleus

True or false? A sperm cell is an example of a specialised cell? *

1 分

True

False

Which of these are adaptations of plant root hair cells? *

1 分

Large surface area

Green colour

Small size

Cell wall

Name the specialised cell in plants that transports food (dissolved sugars)? *

1 分

Phloem cell

Xylem cell

White Blood cell

Prison cell

Plant cell

Sperm cell

Nerve Cell

Animal cell

Root Hair cell

What are the correct units for this equation: GPE = mass x gravitational field strength x height *

1 分

GPE (J) = mass (Kg) x gravitational field strength (m/s) x height (m)

GPE (W) = mass (Kg) x gravitational field strength (m/s2) x height (m)

GPE (J) = mass (Kg) x gravitational field strength (m/s2) x height (m)

GPE (J) = mass (N) x gravitational field strength (m/s2) x height (m)

GPE (m) = mass (Kg) x gravitational field strength (m/s2) x height (N)

Gravitational field strength- this is acceleration due to gravity. It varies from planet to planet. What is it on Earth? *

1 分

9.8m/s2

11m/s2

11.8m/s2

10m/s2

8.9m/s2

A cat of mass 5 kg falls from a tree at a height of 2.3m. How much gravitational energy does the cat have as it leaves the tree? G = 10 m/s2 *

1 分

115 m

11.5 J

115 N

0 J

11.5N

0 N

115 J

Calculate the g.p.e. gained by Mr Killigrew of mass 65kg when he climbs up stairs with a height of 6m, On Earth, G = 10 m/s2 - tick all that apply *

2 分

39 J

3900 J

390 J

3.9 kJ

3.9 kN

必填

Convert 0.5 kJ into Joules *

1 分

0.5 J

500 J

5 J

5000 J

50 J

必填

A bike with a mass of 235 kg is moving at a speed of 18 m/s. How much kinetic energy does it have? Kinetic energy = ½ x mass x velocity2 *

1 分

38070 m/s

380700 J

3807 J

38070 J

38070 N

380700 m/s

Convert 38070J into kilo Joules to 1 Decimal places *

1 分

0.38kJ

3.8 kJ

3.81 kJ

38.1 kJ

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