### Determine the magnitude of her acceleration

Assignment Help Physics
##### Reference no: EM13106827

A skateboarder, starting from rest, rolls down a 12.5 m ramp. When she arrives at the bottom of the ramp her speed is 6.10 m/s. (a) Determine the magnitude of her acceleration, assumed to be constant. .m/s2 (b) If the ramp is inclined at 26.5° with respect to the ground, what is the component of her acceleration that is parallel to the ground?

### Previous Q& A

#### Determining test of proportion

A recent study was designed to compare smoking habits of young women with those of young men. A random sample of 150 women revealed that 45 of them smoked.

#### What is the capacitance of the capacitor

Lightning As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 680m to be the other plate.

#### What are the equilibrium price and quantity

Draw a graph of the market for chewing gum. What are the equilibrium price and quantity? Mark the equilibrium price and quantity in the graph.

#### Request for proposal for use of microsoft office programs

What is meant by integrity? Develop the 3-5 page Request for Proposal (RFP) for bringing in outside trainers to train staff on use of Microsoft Office programs.

#### Calculate the bonds coupon rate

Metal Fabricators just issued \$1,000 par 20-year bonds. The bonds sold for \$758.18 and pay interest semi-annually. Investors require a rate of 9% on the bonds. What is the bonds' coupon rate?

#### At what positions on the axis does the potential

A dipole is formed by point charges +3.8 micro Coulomb and -3.8 micro Coulomb placed on the axis at (0.45 m, 0) and (-0.45m, 0), respectively. At what positions on the axis does the potential have the value 7.7×105 V? There should be an x1 and an ..

#### Formulate percentages for architects with z scores

Suppose that the scores of architects on a particular creativity test are normally distributed.

#### Chi square test of independence and z test

A researcher is interested in studying the relationship between certain driving habits and type of vehicle. He hypothesizes that signaling behavior will be different for drivers of trucks and cars.

#### Has the rock made it to the highest point in the path

A rock is thrown vertically up at 6.7 m/s. (a) What is it's height when its velocity is 1.35 m/s? (b) Has the rock made it to the highest point in the path?

#### Compute the yield to maturity of bond

What is the yield to maturity of a bond that pays an 3% coupon rate, matures in 15 years, and is currently selling for \$850?

### Similar Q& A

#### The components of the ship''s displacement vector

You are driving home from school steadily at 80 for 150. It then begins to rain and you slow to 50. You arrive home after driving 3 hours and 20 minutes.

#### Find the pressure on the top plate

what is the value of the R that gives zero pressure? write down it in terms of h, W and fundamental constants.

#### Find components of the submarine''s displacement

A ferry boat transports tourists among three islands. It sails from the first island to the second island, 4.7 km away, in a direction 37.0° north of east. It then sails from the second island to the third island in a direction 69.0° west of north..

#### Compute the resulting charge on capacitor c1

A 74 trampoline artist jumps vertically upward from the top of a platform with a speed of 5.0 m/s. How can I find how much he depresses it if there is a spring constant of 6.2*10^4.

#### Determine the speed of the car while the driver slammed on

Reply in m/s. Also, why does the car's mass not matter.

#### What is the electric field in the region between plates

A pendulum has a period of 0.80s on Earth. What is its period on Mars, where an acceleration of gravity is about 0.37 that on Earth.

#### What is a tension of the cable

Two boats start together and race across a 56-km-wide lake and back. Boat A goes across at 52 km/h and returns at 56 km/h. Boat B goes across at 36 km/h, and its crew, realizing how far behind it is getting, returns at 79 km/h. Turnaround times are n..

#### What is velocity relative to the ice surface

What is velocity relative to the ice surface

#### By how much will a bar long of the same material

A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the situations would they both have the same momentum.By how much will a bar long of the same material.

#### Where will the pulses first meet

You want to take a bath with the water temperature at 35°C. The water temperature is 38°C from the hot water tap and 11°C from the cold water tap. You fill tub with a total of 191kg of water. How many kilograms of water from the hot water tap do y..

#### What are vertical and horizontal components of the ball

What are vertical and horizontal components of the ball's momentum immediately after striking the crossbar. what is an average acceleration of the ball during this time interval.

#### Find the x and y components of this force

Each is afraid that one vine will break; as a result they grab each other and hang on. They swing upward together, reaching a point where the vines make an angle of 22.1° with the vertical. Find the value of the ratio m/M.